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Inverse Operations
Solving Equations By Subtracting
Solving Equations By Adding
Addition Equations #2
Subtraction Equations #2
100
Whats is the Inverse Operation of Subtraction
Addition
100

34+x=-10

-44

100
j-34=200
166
100

x + 19 = 24

x = 5

100

n - 5 = 8

n = 13

200
What is the Inverse Operation of Addition
Subtraction
200
a+13=-24
11
200

h - 46=898

944

200

s + 11 = 50

s = 39

200

c - 21 = 45

c = 66

300
What is the Inverse Operation of Division
Multiplication
300
3.5+b=6.1
2.5
300
n-6.2=15.1
8.9
300

12 + m = 42

m = 30

300

x - 14 = 31

x = 45

400
What is the Inverse Operation of Multiplication
Division
400
c+56=200
256
400

j - 4.6=1.7

6.3

400

n + 51 = 72

n = 21

400

z - 42 = 7

z = 49

500

What is the first step when solving an equation?

Isolate the Variable!

500

x + 1/2 = 2/3

1/6

500

x - 1/4 = 7/8

1  1/8

500

15 + y = 27

y = 12

500

r - 57 = 7

r = 64