Solving Equations

One-Step Equations

100

x - 8 = 4

x= 12

200

x + 12 = 18

x= 6

300

3x = 18

x= 6

400

5x = -80

x= -16

500

-x+2 = -16

x= -18

Two-Step Equations

100

6x – 13 = 11

x= 4

200

3x + 5 = 14

x= 3

300

(x/2)+2 =8

x= 12

400

(x/2)+8=10

x= 4

500

(x/3)-3=-3

x= 0

Mixed Equations

100

x - 2 = 6

x = 8

200

5p + 1 = 6

p = 1

300

2n+10 = 4

n = -3

400

5(m - 3) = 20

m = 7

500

3(𝑥 − 9) = −3

x = 8

Multi-Step Equations

100

2x + 3 + 2x = 7

x = 1

200

2x + 3x - 1 = 29

x = 6

300

3x + 4 + 4x = -45

x = -7

400

3(a - 4) = 12

a= 8

500

7(5k - 8) = -21

k = 1

Equations with Variables on Both Sides

100

4x - 2 = 3x + 5

x = 7

200

5x - 4 = 2(x + 4)

x = 4

300

6x + 3 - 2x = 2x + 11

x = 4

400

4x + 2 = 6 + 2x

x = 2

500

6x - 15 + 4x = 5(2x - 3)

IDENTITY