Solving Equations

One-step

100

x + 8 = -2

x=-10

200

y - 5 = -14

y = -9

300

-5 + w = -2

w = 3

400

p/4 = -8

p = -32

500

-12x = 132

x = -11

Two-step

100

2x + 5 = 23

x = 9

200

m/-2 + 7 = 21

m = -28

300

49 = 5y - 26

y = 15

400

-2w + 1 = -9

w = 5

500

-5 + 10b = -75

b = -7

Distribute & Combine

100

3b - 5 - 2b = 5

b= 10

200

3(x -4) = 15

x=9

300

5n + 4 - 8n = -5

n = 3

400

3(s - 10) = 36

s = 22

500

4(y-2) + y = -13

y= -1

Solve the word problem

100

A football team gained 25 yards on one play and then lost 32 yards on the next play. What was their total loss or gain of yardage? 

-7 yards (loss of 7 yards)

200

You bought a magazine for $5 and four erasers.  You spent a total of $25.  How much did each eraser cost? 

$5

300

Michele won 40 super bouncy balls playing horseshoes at her school's game night. Later, she gave two to each of her friends. She only has 8 remaining.  How many friends does she have?

16 friends

400

Jill sold half of her comic books and then bought sixteen more.  She now has 36.  With how many did she begin?

40 comic books

500

Maria bought seven boxes.  A week later half of all her boxes were destroyed in a fire. There are now only 22 boxes left.  With how many did she start?

37 boxes