Chapter 7 Equations Review

9 + k = 18

• 18

• 9

• 8

• 7

r − 11 = 5

• 11

• 14

• 15

• 16

3w = 30

• 6

• 9

• 10

• 12

 $\frac{d}{12}=\ 4$  

• 2

• 3

• 8

• 48

y + 5 = 10

• 15

• 10

• 6

• 5

13 = t + 7

• 5

• 6

• 7

• 20

a − 5 = 9

• 14

• 9

• 5

• 4

10 = t − 8

• 2

• 4

• 18

• 20

Janeen’s mother is 47. She is 26 years older than Janeen. Which equation can be used to find Janeen’s age j ?

• j + 26 = 47

• 26j = 47

• j – 26 = 47

• 47j = 26

Quentin bought 6 new tennis balls. If he now has a total of 18 tennis balls, how many did he start with?

• 9

• 12

• 21

• 24