One-Step Equations with Addition and Subtraction

7 + x = 15

• 22

• 9

• 8

• 6

x - 4 = 5

• 9

• 10

• 20

• 1

17 = x + 3

• x = 20

• x = 14

• x = 13

• x = 19

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.

• addition

• subtraction

• multiplication

• division

Solve
34.7 = y + 5.3

• y = 29.4

• y = 30.4

• y = 28.4

• y = 40

Solve
4.7 = y + 1.34

• y = 6.04

• y = 1.81

• y = 3.46

• y = 3.36

Solve the equation: s - 33 = 89

• s = 134

• s = 145

• s = 122

• s = 213

19  + a  =  -50

• a = -950

• a =  -69

• a = -31

• a = -50/19

-16+ x= -15

• 2

• 0

• -1

• 1