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Combining
Distributive
3-Step Distributive
3-Step Combining
4-Step
100

Combine: 

4x + 6 - 11

4x - 5

100

Distribute: 

3 (y + 4)

3y + 12

100

Solve for r.

-2 ( r + 3) = -70

r = 32

100

Solve for a.

8a + 2 + 7a = 47

a = 3

100

Solve for x.

−5(x + 12) + 3x = 42

x = -51

200

Combine: 

2s + 5 - 4s

-2s + 5

200

Distribute:

5(x + 5)

5x + 25

200

Solve for y.

-5(y+6) = 95

y = -25

200
Solve for y.

6y - 3y - 2 = 13

y = 5

200

Solve for x.

−15(x + 10) + 13x = 2

x = -76

300

Combine: 

-45y - 3 -3y

-48y - 3

300

Distribute:

2(u - 5)

2u - 10

300

Solve for x.

4(x+1) = -60

x = -16

300

Solve for d.

3d + 7 - 9 = -23

d = -7

300

Solve for x.

−3(x + 6) + 12x = -99

x = -9

400

Combine:

18x + 5 - 10

18x - 5

400

Distribute:

-2(b + 4)

-2b - 8

400

Solve for d.

-2(d + 3) = 94

d = -50
400

Solve for c.

-2c + 7 + 6c = 35

c = 7

400

Solve for x.

-7(x+10) + 6x = 75

x = -145

500

Combine:

78x + 6 - 2 - 30x

48x + 4

500

Distribute:

-3(2x + 4)

-6x - 12
500

Solve for x.

-2(2x + 4) = 40

x = -12

500

Solve for b.

-4b - 7 - 5 = -28

b = 4

500

Solve for x.

-12(x+13) + 9x = 12

x = -56