Equation Practice

Solve: 9 + k = 18

• 18

• 9

• 8

• 7

What is the solution of 3w = 30

• 6

• 9

• 10

• 12

Solve for r: r - 11 = 5

• 6

• 11

• 15

• 16

What is the solution of y + 5 = 10

• 15

• 10

• 6

• 5

Solve: 13 = t + 7

• 5

• 6

• 7

• 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

At a nursery, plants are half off their original price. The sale price of a potted plan is $5.50. Which equation could be used to find the original cost of the plant?

• c/2 = $5.50

• 2c = $5.50

• $5.50c = 2

• 2 + c = $5.50

Antwaun waters his lawn 3 times a week. If he watered his lawn 24 times in all, which equation could be used to find how many weeks he has been watering his lawn?

• x + 3 = 24

• 24 - x = 3

• 3x = 24

• x/3 = 24

Kelly earned $20 for babysitting. She has also earned money by doing chores. Altogether, she has earned $100. How much did she earn doing chores?

• $5

• $20

• $80

• $120