Solving One Variable Linear Equations/Inequalities - Algebra 1

  1. What is the solution to the equation 2(x+3)=2x+52(x+3)=2x+5?
    No solution. Left side gives 2x+62x + 6, right gives 2x+52x + 5.
  2. What is the solution for xx in the literal equation a(x−b)=ca(x-b)=c with a≠0a\neq 0?
    x=ca+bx=\frac{c}{a}+b. Divide by aa, then add bb.
  3. What is the solution for xx in the literal equation m(x+n)=pm(x+n)=p with m≠0m\neq 0?
    x=pm−nx=\frac{p}{m}-n. Divide by mm, then subtract nn.
  4. What is the solution to the inequality 2x+13<3\frac{2x+1}{3}<3?
    x<4x<4. Multiply by 3, subtract 1, divide by 2.
  5. What is the solution for xx in the literal equation ax+b=cax+b=c with a≠0a\neq 0?
    x=c−bax=\frac{c-b}{a}. Subtract bb, then divide by aa.
  6. What is the distributive property written in general form?
    a(b+c)=ab+aca(b+c)=ab+ac. Multiplying factor distributes across addition inside parentheses.
  7. What is the solution to the inequality −2(x+4)≥6-2(x+4)\geq 6?
    x≤−7x\leq -7. Distribute, add 8, divide by −2-2, flip sign.
  8. What property justifies adding the same number to both sides of an equation?
    Addition Property of Equality. Maintains equality when adding same value to both sides.
  9. What is the solution to the equation 0.5x+4=90.5x+4=9?
    x=10x=10. Subtract 4, then divide by 0.5.
  10. What inequality symbol means "at most"?
    ≤\leq. Less than or equal to represents maximum value.
  11. What happens to an inequality when you multiply or divide both sides by a negative number?
    The inequality sign reverses. Negative multiplier/divisor flips inequality direction.
  12. What is the solution for xx in the literal equation ax=bax=b with a≠0a\neq 0?
    x=bax=\frac{b}{a}. Divide both sides by aa when a≠0a \neq 0.
  13. What is the solution to the equation 3x−7=113x-7=11?
    x=6x=6. Add 7 to both sides, then divide by 3.
  14. What is the rule for clearing denominators in xa+yb=c\frac{x}{a}+\frac{y}{b}=c?
    Multiply both sides by LCM(a,b)\text{LCM}(a,b). LCM eliminates all denominators simultaneously.
  15. What is the solution to the equation 2x+3=4x−92x+3=4x-9?
    x=6x=6. Collect variables on one side, constants on the other.
  16. What is the solution to the equation x2−x3=1\frac{x}{2}-\frac{x}{3}=1?
    x=6x=6. Find common denominator 66\frac{6}{6}, then solve.
  17. What is the solution to the equation 7−2x=3x+27-2x=3x+2?
    x=1x=1. Collect variables on one side, constants on the other.
  18. What is the solution to the inequality −12x≥3-\frac{1}{2}x\geq 3?
    x≤−6x\leq -6. Divide by −12-\frac{1}{2} and flip inequality sign.
  19. What is the solution to the equation 6x+2=2(3x+1)6x+2=2(3x+1)?
    Infinitely many solutions. Distributive property creates identical expressions.
  20. What is the solution to the equation 2x5=6\frac{2x}{5}=6?
    x=15x=15. Multiply both sides by 52\frac{5}{2}.
  21. What does it mean to solve an equation in one variable?
    Find all values that make the equation true. This is the definition of solving equations.
  22. What is the solution to the literal inequality ax>bax>b when a<0a<0?
    x<bax<\frac{b}{a}. Negative coefficient reverses inequality direction.
  23. What property justifies dividing both sides of an equation by the same nonzero number?
    Division Property of Equality. Maintains equality when dividing both sides by same nonzero value.
  24. What inequality symbol means "at least"?
    ≥\geq. Greater than or equal to represents minimum value.
  25. What is the solution to the inequality x−3<5x-3<5?
    x<8x<8. Add 3 to both sides.
  26. What is the solution to the equation 5(x−2)=155(x-2)=15?
    x=5x=5. Distribute, add 10 to both sides, then divide by 5.
  27. What is the solution to the inequality 7≥2x−17\geq 2x-1?
    x≤4x\leq 4. Add 1, divide by 2, inequality stays same direction.
  28. What is the rule for solving ax=bax=b for xx when a≠0a\neq 0?
    x=bax=\frac{b}{a}. Divide both sides by aa to isolate xx.
  29. What is the solution to the inequality −3x≤12-3x\leq 12?
    x≥−4x\geq -4. Divide by −3-3 and flip inequality sign.
  30. What is the solution to the inequality x4>−2\frac{x}{4}>-2?
    x>−8x>-8. Multiply both sides by 4.
  31. What is the solution for xx in the literal equation ax+b=dx+eax+b=dx+e with a≠da\neq d?
    x=e−ba−dx=\frac{e-b}{a-d}. Collect xx terms on one side, solve.
  32. What is the solution to the equation 2x+5=2x−12x+5=2x-1?
    No solution. Variables cancel, leaving false statement 5=−15=-1.
  33. What is the solution to the equation x3+2=5\frac{x}{3}+2=5?
    x=9x=9. Subtract 2, then multiply by 3.
  34. What does it mean if solving an equation leads to a false statement like 0=50=5?
    No solution. No value of the variable satisfies the equation.
  35. What is the solution to the equation 4(x+1)−2x=104(x+1)-2x=10?
    x=3x=3. Distribute, combine like terms, solve for xx.
  36. What property justifies multiplying both sides of an equation by the same nonzero number?
    Multiplication Property of Equality. Maintains equality when multiplying both sides by same nonzero value.
  37. What is the first step to solve most linear equations in one variable?
    Simplify both sides (combine like terms, distribute). Reduces complexity before applying properties of equality.
  38. What is the solution to the inequality 2x+1≥92x+1\geq 9?
    x≥4x\geq 4. Subtract 1, then divide by 2.
  39. What property justifies subtracting the same number from both sides of an equation?
    Subtraction Property of Equality. Maintains equality when subtracting same value from both sides.
  40. What is the solution for xx in the literal equation p−qx=rp- qx=r with q≠0q\neq 0?
    x=p−rqx=\frac{p-r}{q}. Subtract rr, divide by qq.
  41. What is the solution to the equation x+23+x−13=5\frac{x+2}{3}+\frac{x-1}{3}=5?
    x=132x=\frac{13}{2}. Combine fractions with common denominator 3.
  42. What is the definition of a solution set for an equation?
    The set of all values that satisfy the equation. Contains all values making the equation true.
  43. What is the solution to the equation 2(3x−1)=5x+72(3x-1)=5x+7?
    x=9x=9. Distribute left side, collect terms, solve for xx.
  44. What is the solution to the inequality 3(x−1)≤63(x-1)\leq 6?
    x≤3x\leq 3. Distribute, add 3, divide by 3.
  45. What is the solution for xx in the literal equation x−ba=c\frac{x-b}{a}=c with a≠0a\neq 0?
    x=ac+bx=ac+b. Multiply by aa, then add bb.
  46. What is the solution to the equation 9−3(x−2)=09-3(x-2)=0?
    x=5x=5. Distribute, simplify, then solve for xx.
  47. What is the solution to the equation x−14=3\frac{x-1}{4}=3?
    x=13x=13. Add 1, then multiply by 4.
  48. What is the rule for solving x+a=bx+a=b for xx?
    x=b−ax=b-a. Subtract aa from both sides to isolate xx.
  49. What does it mean if solving an equation leads to a true statement like 0=00=0?
    Infinitely many solutions. Every value of the variable satisfies the equation.
  50. What is the solution to the literal inequality ax>bax>b when a>0a>0?
    x>bax>\frac{b}{a}. Positive coefficient preserves inequality direction.
  51. What is the solution for xx in the literal equation xa+b=c\frac{x}{a}+b=c with a≠0a\neq 0?
    x=a(c−b)x=a(c-b). Subtract bb, then multiply by aa.
  52. What is the solution to the inequality 4−x2<14-\frac{x}{2}<1?
    x>6x>6. Subtract 4, multiply by −2-2, flip sign.
  53. What is the solution to the inequality 5−2x>15-2x>1?
    x<2x<2. Subtract 5, divide by −2-2, flip sign.
  54. What is the solution to the equation 4(x−1)=4x−44(x-1)=4x-4?
    Infinitely many solutions. Equation simplifies to true statement −4=−4-4=-4.
  55. What is the solution to the inequality x−32≤4\frac{x-3}{2}\leq 4?
    x≤11x\leq 11. Add 3, multiply by 2.
  56. What is the rule for solving xa=b\frac{x}{a}=b for xx when a≠0a\neq 0?
    x=abx=ab. Multiply both sides by aa to isolate xx.

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