7th grade Solving Equations

VOBS

100

2x + 4 = 5x - 8

x = 4

200

4y - 5 = 2y + 5

y = 5

300

7w + 5 = 5w + 35

w = 15

400

6r - 14 = 3r + 7

r = 7

500

8n + 30 = 4n + 90

n = 15

One Step Equations

100

x/7 = 7

x = 49

200

6x = 36

x = 6

300

x + 16 = 8

x = -8

400

120 = 4x

x = 30

500

-7x = 42

x = -6

Multi-Step Equations

100

8x - 1 = 63

x = 8

200

16a - 1 = 63

a = 4

300

-6 + 2n = 6

n = 6

400

-8k + 3 = 27

k = -3

500

12f + 25 = 37

f = 1

Mixed Equations

100

13 + 6n = 67

n = 9

200

4(x + 1) = 5(x + 2)

x = -6

300

8(x + 1) = 16

x = 1

400

4(y + 1) = 7(y - 2)

y = 6

500

11x - 5 = 9x + 15

x = 10

Distributive Property

100

3(2x + 2)  = 36

x = 5

200

2(4y - 5) = 30

y = 5

300

7(x + 3) = 42

x = 3

400

12(m - 3) = 12

m = 4

500

50(2x + 4) = 300

x = 1