Pre Algebra Equations

Distributive Property

100

2(x - 3)

2x - 6

200

-5(y + 4)

-5y - 20

300

4(9p + 7)

36p + 28

400

(6 - 2m)(-3)

-18 + 6m

Single Step Equations

100

x + 6 = 13

x = 7

200

x - 8 = 20

x = 28

300

-4 + y = -9

y = -5

400

1 = n/231

n = 231

Two Step Euqations

100

4x + 1 = 5

x = 1

200

3n + 8 = 2

n = -2

300

b/4 - 8 = 1 

b = 36

400

7 - 4y = 19 

y = -3

Equations with Dist. Prop.

100

-21 = 7(3 - x)

x = 6

200

-3(8 - 4x) = 12

x = 3

300

5x - 2(x - 1) = 8

x = 2

400

13 = 2y -3(y + 4)

y = -25

Like Terms Equations

100

4 + x + 7 = 10 

x = -1

200

3x + 2x = 25

x = 5

300

21 = 4x - 9 - x

x = 10

400

22 + 4y - 14 = 0 

y = -2