Solving Equations

One-Step Equations

100

v - 15 = -27

v = -12

200

m + 4 = -12

m = -16

300

-143 = -11x

x = 13

400

-6 = b/18

b = -108

500

-15 + n = -9

n = 6

Two-Step Equations

100

-4 = (r/20) - 5

r = 20

200

9y - 7 = -7

y = 0

300

-1 = (5 + k)/6

k = -11

400

(t + 9)/3 = 8

t = 15

500

-15 = -4s + 5

s = 5

Multi-Step Equations

100

20 = -4j - 6j

j = 2

200

-8 = -(d + 4)

d = 4

300

12 = -4(-6g - 3)

g = 0

400

14 = -(p-8)

p = -6

500

1 - 2z + 5 = 8

z = -1

Equations with Variables on Both Sides

100

-2e - 1 = 5e - 8

e = 1

200

o - 4 = -9 + o

No solution

300

5w + 34 = -2(1 - 7w)

w = 4

400

2(4q - 3) - 8 = -14 + 8q

Infinitely many solutions

500

-18 - 6i = 6(1 + 3i)

i = -1

Absolute Value Equations

100

|6h| = 42

h = 7, -7

200

|u - 10| = 3

u = 7, 13

300

|a/7| = 3

a = -21, 21

400

|f| + 2 = 11

f = -9, 9

500

-3|c| = -12

c = -4, 4