One-Step Equations + & -

x + 12 = 20

• x = 32

• x = -32

• x = 8

• x = -8

x - 8 = -5

• x = 13

• x = -13

• x = 3

• x = -3

19 + a = -50

• a = -950

• a = -69

• a = -31

• a = -50/19

18+m=8

• m = 0

• m = 10

• m = -10

• m = 8

What equation matches this situation?

Robyn had some video games then bought 4 more. Now she has a total of 10 games.

• v - 4 = 10

• v + 4 = 10

• 10 - 4 = v

• Answer not Given

x - 62 = 123

How should you show your work to isolate the variable and solve the equation?

• Add 62 to each side.

• Subtract 62 from each side.

• Multiply each side by 62.

• Add 123 to each side.