Solving One-Step Equations

Front

The objective when solving an equation is to...

Back

isolate the variable.

Front

-10 + x = 20

Back

x = 30

Front

x + 8 = 15

Back

x = 7

Front

-42 = -6y

Back

y = 7

Front

13 + x = -25

Back

x = -38

Front

What is a variable in an equation?

Back

A symbol that represents an unknown value.

Front

What does it mean to isolate a variable?

Back

To get the variable alone on one side of the equation.

Front

What is the first step in solving the equation x + 5 = 12?

Back

Subtract 5 from both sides.

Front

What is the solution to the equation 3x = 12?

Back

x = 4

Front

What is the inverse operation of addition?

Back

Subtraction.