One & Two Step Equations

One Step +/-

100

x+12=9

x=-3

200

-4=h-20

h=16

300

2.9=r-6.4

r=9.3

400

f+6=1.8

f=-4.2

500

p-(3/8)=6/8

p=1 1/8

One Step x/÷

100

5r=20

r=4

200

-54=-3y

y=18

300

a/8=-4

a=-32

400

9.2=c/-3

c=27.6

500

1.2h=-6

h=-5

Two Step Part I

100

4x+1=5

x=1

200

3n+8=2

n=-2

300

1 = 2r + 9

r=-4

400

x/2 - 3 = 1

x=8

500

12 - 4s = -12

s=6

Two Step Part II

100

5c + 6 = 31

c=5

200

-5x+9=24

x=-3

300

80 = 23 - 3v

v=-19

400

12 = a/36 + 17

a=-180

500

x + 3x = -8

x=-2

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