Pre-Algebra Review

Front

Solve: 7 - 3y = 22

Back

y = -5

Front

Simplify the expression: -9 + (-4)

Back

-13

Front

Simplify: (-n + 3)(-8)

Back

8n - 24

Front

Simplify: -10(-3x - 5y)

Back

30x + 50y

Front

Simplify the expression: 83 + (-53)

Back

30

Front

Define: Variable

Back

A symbol used to represent an unknown value in mathematical expressions or equations.

Front

Define: Expression

Back

A combination of numbers, variables, and operators without an equality sign.

Front

Define: Equation

Back

A mathematical statement that asserts the equality of two expressions.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, distributing a across the sum.

Front

What is the order of operations?

Back

PEMDAS: Parentheses, Exponents, Multiplication and Division (left to right), Addition and Subtraction (left to right).