Solving Equations Review

Solving One-Step Equations

100

3x = 21

x = 7

200

-6 + m = 12

m = 18

300

p/5 = -12

a = -60

400

49 = -7y

y = -7

500

45 = v - 9

v = 54

Solving Two-Step Equations

100

5y + 6 = 31

y = 5

200

74 = 7m - 3

m = 11

300

(-8+x)/6 = 4

x = 32

400

-2x - 3 = -21

x = 9

500

x/8 - 4 = 7

x = 88

Solving with Combing Like Terms

100

5h + 2 + 2h = 23

h = 3

200

3a + 12 - 6a = -9

a = 7

300

-6 = -3y + 4 + 5y

y = -5

400

78 = 3c + 12 - c + 4

c = 31

500

7t - 8 - 3 = 24

t = 5

Solving with Distribution

100

2(x + 5) = 14

x = 2

200

40 = 5(d - 2) 

d = 10

300

4(y - 2) = -24

y = -4

400

208 = -13(4 + 2a)

a = -10

500

-2(x - 9) = -24

x = 21

Solving by Distributing and Combining Like Terms

100

2(2v + 3) + 5  = 15

v = 1

200

-6(m + 1) + 18 = 24

m = -2

300

-13 = 4(y - 2) + y

y = -1

400

8d - 8(4d - 6) = 120

d = -3

500

7k - 8 + 2(k + 12) = 52

k = 4

Solving with Variables on Both Sides

100

3x + 2 + 2x = -13

x = -3

200

5y + 3 = 10y - 22

5 = y

300

8m + 2m - 4 = 4m + 8

m = 2

400

-9x + 7 - 3 = 5 - 8x

-1 = x

500

21 + 4x - 9 = -x - 18

x = -6