## Example Questions

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### Example Question #31 : How To Solve For A Variable As Part Of A Fraction

Solve for .      Explanation:

First, cross-multiply. Now, solve for . Simplify. ### Example Question #32 : How To Solve For A Variable As Part Of A Fraction

Solve for .      Explanation:

First, cross-multiply. Now, solve for .  ### Example Question #81 : Algebraic Fractions

Solve for .      Explanation:

First, cross-multiply. Simplify. Solve for .  ### Example Question #82 : Algebraic Fractions

Solve for .      Explanation:

First, cross-multiply. Now, solve for .  ### Example Question #91 : Algebraic Fractions

Solve for        Explanation:

To solve these types of problems, you need to cross multiply the fractions .

Then, all we need to do is distribute the , combine like terms, and solve the algebraic equation. .

### Example Question #92 : Algebraic Fractions

Solve for :      Explanation:

Cross-multiply: Distribute: Solve for x:  ### Example Question #93 : Algebraic Fractions

Solve for       Explanation:

Solve this question by cross-multiplying:   ### Example Question #3241 : Sat Mathematics

If , what is the value of ?     Explanation:

To solve this question, substitute -5 in for x in the numerator and denominator. Remember that the square of a negative number is positive.

45 / -9 = -5

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