One-Step and Two-Step Equations

One Step +/-

100

x + 12 = 9

x =-3

200

-4 = h - 20

h = 16

300

29 = r - 64

r = 93

400

f + 6 = 3

f = -3

500

p - 7 = -8

p = -1

One Step x/÷

100

5r = 20

r = 4

200

-54 = -3y

y = 18

300

a/8 = 4

a = 32

400

9 = c/(-9)

c = -81

500

-h = -6

h = 6

Two Step A

100

4x + 1 = 5

x = 1

200

3n + 8 = 2

n = -2

300

1 = 2r + 9

r = -4

400

2x + 3 = 

x = 2

500

12 - 4s = -12

s = 6

Two Step B

100

5c + 6 = 31

c = 5

200

9 = 4t - 7

t = 27

300

-2q - 63 = 47

q = -55

400

80 = 23 - 3v

v = -19

500

23 = 16 - 7a

a = -180

Random

100

Inverse operation of addition is

Subtraction

200

Inverse operation of subtraction is

Addition

300

Inverse operation for multiplication is

Division

400

Inverse operation of division is

Multiplication

500

In a two step equation what do you undo first addition/subtraction or multiplication/division?

Addition/Subtraction