Solving Equations

Inverse Operations

100

Whats is the Inverse Operation of Subtraction

Addition

200

What is the Inverse Operation of Addition

Subtraction

300

What is the Inverse Operation of Division

Multiplication

400

What is the Inverse Operation of Multiplication

Division

500

What is the Inverse Operation of -8?

8

Solving 1-Step Equations 1

100

x-34=10

x=44

200

a+13=24

a=11

300

3b=18

b=6

400

z/4=24

z=96

500

What are the steps for solving a 1-step equation?

1. Isolate the variable by doing the inverse operations. 2. Check answer by plugging in the value into the equation.

Solving 1-Step Equations 2

100

5+x=-2.5

x=-7.5

200

n-(-1)=21

n=20

300

4/5x=20

x=25

400

-9x=3

x=-1/3

500

-4.5x=9

x=-2

Solving 2-Step Equations 1

100

4n + 1 = 9

n=2

200

8x+16=8

x=-1

300

-2n+3=7

n=-2

400

13-4x=-11

x=6

500

What are the steps for solving 2-step equations?

1. Do the inverse operations in the reverse order

2. Check answer by plugging in value into the equation.

Solving 2-Step Equations 2

100

x/4+24=21

x=-12

200

x/3-12=18

x=90

300

4/5x+2=6

x=5

400

2x-(-1)=17

x=8

500

4(5x+6) = 124

x=5