Solving Equations Review

Combining Like Terms

100

7(m -3m)

-14m

200

3(m - 5) +7 -4m

 -m - 8

300

8m -4m + 2(3m - 6)

10m - 12

400

6n + 7m -9m + 3n

9n -2m

500

5(m - 7n) + 2(-3m + 2n)

- m -31n

Integers

100

8 + -13 + 6 =

1

200

-6 - (-7) =

1

300

-5 (-6) =

30

400

72/-9

-8

500

8(4 -9) + 3(4) - 10 =

-38

One-Step Equations

100

x - 9 = 6

x = 15

200

6 = x -8

x = 14

300

-6x = 54

x = -9

400

n/-15=3

n = -45

500

2/3r=-14

r = -21

Muliti-Step Equations

100

2n + 4 = 8

 n = 2

200

15 = 3(-2n -3)

n = -4

300

-32 = 8x - 32

 x = 0

400

3/4x -7=5

x = 16

500

4(p -5) = -54 + 22

p = -3

Variables on BothSides

100

6n + 3 = 5n + 8

n = 5

200

8(2n + 2) = 14n - 8

n = -12

300

-3(2n - 8) = 2(3n +12)

n=0

400

4n + 2(n - 3) = 4(3 + 3n)

n = -3

500

7n + -9n + 18 = -9(n - 3) + 8n

n = -9