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SSAT Middle Level Quantitative

Algebraic Expressions and Equations

Learn Algebraic Expressions and Equations in SSAT Middle Level Quantitative from the production AIPH study guide.

Study guide topics

Number Operations and PropertiesFractions, Decimals, and PercentsRatios, Proportions, and RatesAlgebraic Expressions and EquationsGeometry: Shapes and MeasurementData Analysis and ProbabilityMath in Everyday LifeMath in Sports and GamesMath in Science and TechnologyTime Management During the TestElimination and Guessing Strategies

Advanced Topics

In a nutshell: Learn how to work with variables and solve equations to find unknown values.

## What Are Variables? Variables are symbols (like \( x \) or \( y \)) that represent unknown values. Algebraic expressions combine variables and numbers using operations. ## Simplifying and Solving - **Simplify:** Combine like terms and use properties of numbers. - **Solve:** Find the value of the variable that makes the equation true. ## Equation Example You might see something like \( 2x + 3 = 11 \). To solve, subtract 3 from both sides and then divide by 2. ## Why Algebra Matters Algebra is like a puzzle that helps you solve for unknowns—perfect for everything from science experiments to budgeting!

2x + 3 = 11

Examples

  • Simplify \( 4x + 2x - 3 \).
  • Solve \( x/2 = 6 \) for \( x \).

Key terms

Variable
A symbol for a number we don't know yet.
Equation
A statement that two expressions are equal.
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