Expressions and Equations (6. EE 1 - 8)

Front

Simplify the expression: 2x + 1 + 3x + 2

Back

5x + 3

Front

Which expression is the same as twice a number?

Back

2b

Front

What is a mathematical sentence stating that two expressions are equal?

Back

equation

Front

Which expression means the same as 12 more than a number?

Back

n + 12

Front

Which expression is the same as 9 more than 6 times a number?

Back

6n + 9

Front

What is an expression?

Back

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

Front

What is a variable?

Back

A symbol (often a letter) that represents an unknown number.

Front

What does it mean to simplify an expression?

Back

To combine like terms and reduce the expression to its simplest form.

Front

What is the distributive property?

Back

a(b + c) = ab + ac, meaning you multiply a term by each term inside the parentheses.

Front

What is a coefficient?

Back

A number that is multiplied by a variable in an expression.