Solving One-Step Equations

Front

What is the inverse operation of subtraction?

Back

Addition

Front

What is the inverse operation of division?

Back

Multiplication

Front

x + 7 = 12
How should you show your work to isolate x?

Back

Subtract 7 from both sides. The solution is x = 5.

Front

Objective when solving an equation

Back

isolate the variable.

Front

x + 9 = 21

Back

12

Front

Back

x = 10

Front

m+13=21

Back

m=8

Front

k+8=15

Back

k=7

Front

6b = 30

Back

b = 5

Front

Solve the equation
3x = 27.

Back

x = 9