Solving Equations Review

-5x = 25

• x = 20
• x = -20
• x = -5
• x = 5

19  + a  =  -50

• a = -950
• a =  -69
• a = -31
• a = -50/19

m - 8 = -5 

• m = 13
• m = -13
• m = 3
• m = -3

How would you solve this equation: 9x = 153 ? 

• multiply both sides by 9
• divide both sides by 9
• add 9 to both sides
• subtract 9 from both sides

x + 12 = 20

• x = 32
• x = -32
• x = 8
• x = -8

• x = 20
• x = 7
• x = 10
• x = 3

• k = 152
• k = 176
• k = 5
• k = 27

144 = 12k

• k = 156
• k = 0.08333333
• k = 12
• k = 132

9 + 3r = 10

• r = 2/3
• r = 1/3
• r = -1/3
• r = 4

8 -3w = -13

• w = 7
• w = -13/5
• w = 13/5
• w = -7