Adding and Subtracting Equations

x + 4 = 16

• x = 12

• x = 20

• x = 13

• x = 25

75 + n = 100

• n = 25

• n = 30

• n= 15

• n = 175

7 + y = 19

• y = 26

• y = 13

• y = 12

• y = 30

Jennifer has $14. she sold a notebook and pen, and now she has $18. Solve the equation 14 + m = 18 to find how much money Jennifer received by selling the notebook and pen.

• m = 4

• m = 32

• m = 38

• m = 6

396 414 596 386

• 396

• 414

• 596

• 386

• 239
• 230
• 170
• 160

What step can be taken to get the x by itself on one side in the equation x + 18 = 50 ?

• Multiply both sides of the equation by 18

• Divide both sides of the equation by 18

• Add 18 to both sides of the equation

• Subtract 18 from both sides of the equation.

a - 17 = 9

• a = 36

• a = 14

• a = 26

• a = 32

57 + c = 93

• c = 37

• c = 97

• c = 36

• c = 27

a+19=50

• 21

• 31

• 44

• 11