One and Two-Step Equations Review

One- Step + and -

100

m-9=-13

m=-4

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 A

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

-9v - 2 = 25

v=-3

Two- Step Equations B

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

Vocabulary/Word Problems

100

The inverse operation of subtraction is _________.

addition

200

The inverse operation of multiplication is __________.

division

300

What is the first step to solve this equation?

13 = 4x + 9

Subtract 9 from both sides.

400

What is the coefficent in the equation: 3x + 5 = 20

What does it mean?

3

3 times x

500

Write the equation to represent the following problem. 

Twice the sum of Ms. Capistran's age and 14 is 80. How old is Ms. Capistran?

DO NOT SOLVE.

2(c + 14) = 80