One Step Equations Solving for an Unknown Variable

A mathematical sentence that contains an equal sign is an _____________.

• equation

• solution

• expression

• operation

The value of the variable that makes the equation true is called the ____________.

• operation

• variable

• inverse

• solution

A __________ is a symbol, usually a letter, used to represent an unknown number.

• solution

• coefficient

• variable

• constant

The inverse/opposite operation of division is ______________.

• addition

• multiplication

• subtraction

• division

The inverse/opposite operation of addition is ______________.

• subtraction

• addition

• multiplication

• division

The inverse/opposite operation of multiplication is ______________.

• addition

• subtraction

• multiplication

• division

The inverse/opposite operation of subtraction is ______________.

• subtraction

• multiplication

• addition

• division

Solve 3b=21

• b = 7

• b = 63

• b = 18

• b = 24

Solve 4x = 44

• x = 40

• x = 11

• x = 48

• x = 176

What is the correct step to solve for the variable?
15 = m - 5

• add 15 to both sides
• add 5 to both sides
• subtract 15 from both sides
• subtract 5 from both sides