*Solve Equations

1-step Equations

100

12 = t - 6

18

200

3d = 15

d = 5

300

w/-6 = 7

w = -42

400

a + 9.5 = -2.2

-11.7

500

-0.52z = -0.13

0.25

2-step Equations

100

5 - x = 12

x = -7

200

2x + 3 = 15

x = 6

300

6 = ^{(x - 2)}⁄₄

x = 26

400

x/7 +5 = 11

x=42

500

7-2c=-15

c=11

Solve with Distributive property

100

68=-4(x+3)

x=-20

200

300=10(-2+4x)

x=8

300

-7(2x+1)=35

x=-3

400

Simplify.

56= 4(m + 2)

m=12

500

-3(2y - 9) =-3

y=5

Proportions

100

The definition is: Showing that two ratio's are equal.

What is the term? 

Proportions

200

  y           30

___   =   ___

 6           120

y = 1.5

300

A band recorded 4 songs in 3 h. At that speed, how long would it take them to record 9 songs?

6.75 h

400

Kara earned $81 for working 12 hours. how long did she work if you know she earned $270?

40 hours

500

The scale of a map is 1 cm: 75 km. What is the actual distance between two towns that are 3 cm apart on the map?

225 km