One and Two-Step Equations

One- Step + and -

100

What is the "Golden Rule" when solving equations?

What we do to one side, we do to the other. 

200

15+b=23

b=8

300

-15+n=-9

n=6

400

18+m=8

m=-10

500

m-9=-13

m=-4

One- Step x and /

100

v/8=2

v=16

200

-126=14k

k=-9

300

-17x=-204

x=12

400

-10n=80

n=-8

500

16=k/11

k=176

Two-Step Equations

100

156=6+10y

y=15

200

-13=b/3-10

b=-9

300

-2+p/7=-4

p=-14

400

2a+6=20

a=7

500

2(v-3)=-16

v=-5

Two- Step Equations *

100

41 = 4w + 5

w=9

200

127 = -1 - 8h

h=-16

300

3=-3n-12

n=-5

400

-1=-9-2x

x=-4

500

-9a+88=7

a=9

Two- or More Step Equations

100

6x  + 8 = 50 

x=7

200

2x - 5 = 11

x=8

300

13 = -4x + 9

x=-1

400

x/2-7=9

x=32

500

−5(1 − 5x) + 5(−8x − 2) = −4x − 8x

x=-5