Expressions and Equations Review

Front

Solve for x: -30 - 5x = 120

Back

x = -30

Front

Solve the inequality and graph on a number line: 12 - 2x < 16

Back

x > -2

Front

Solve: 9 + 3x = 10

Back

x = 1/3

Front

Evaluate the expression: 3(3x - 2) + x where x = 0.25

Back

-3.5

Front

What is the value of q so that the expression 4(5 + n) is equivalent to 4(n + q)?

Back

q = 5

Front

What is an expression?

Back

A combination of numbers, variables, and operators (like +, -, *, /) without an equality sign.

Front

What is an equation?

Back

A mathematical statement that asserts the equality of two expressions.

Front

What is the distributive property?

Back

a(b + c) = ab + ac; it allows you to multiply a single term by two or more terms inside a parenthesis.

Front

What is a variable?

Back

A symbol (often a letter) that represents one or more numbers.

Front

What does it mean to solve an equation?

Back

To find the value of the variable that makes the equation true.