Solving One-step 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 first step when solving an equation?

Isolate the Variable!

Solving Equations By Subtracting

100

34+x=-10

-44

200

a+13=-24

11

300

3.5+b=6.1

2.5

400

c+56=200

256

500

x + 1/2 = 2/3

1/6

Solving Equations By Adding

100

j-34=200

166

200

h - 46=898

944

300

n-6.2=15.1

8.9

400

j - 4.6=1.7

6.3

500

x - 1/4 = 7/8

1  1/8

Addition Equations #2

100

x + 19 = 24

x = 5

200

s + 11 = 50

s = 39

300

12 + m = 42

m = 30

400

n + 51 = 72

n = 21

500

15 + y = 27

y = 12

Subtraction Equations #2

100

n - 5 = 8

n = 13

200

c - 21 = 45

c = 66

300

x - 14 = 31

x = 45

400

z - 42 = 7

z = 49

500

r - 57 = 7

r = 64