Equation and Expression Review

Front

What is an equation?

Back

A mathematical sentence stating that two expressions are equal.

Front

Solve for x: -2x - 7 + 3x = 10

Back

x = 17

Front

Choose the equivalent expression: 15 + 4(5y + 10)

Back

20y + 55

Front

Simplify: 5x + 3y + 5 + 4x + 3y + y + 8

Back

9x + 7y + 13

Front

What is an expression?

Back

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

Front

What is a variable?

Back

A symbol used to represent a number that can change.

Front

What is a term in mathematics?

Back

A single mathematical expression that can be a number, variable, or the product of numbers and variables.

Front

What is the difference between an expression and an equation?

Back

An expression does not have an equality sign, while an equation does.

Front

Expand the expression: p(3p + 5)

Back

3p² + 5p

Front

Combine like terms: 6x + 2y + 2 + 3x + 5y

Back

9x + 7y + 2