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Cores Ch. 7 Equations Test

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Last updated almost 5 years ago
20 questions
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Question 1
1.

What is the solution to the equation?

9 + k = 18

Question 2
2.

What is the solution to the equation?

r - 11 = 5

Question 3
3.

What is the solution to the equation?

3w = 30

Question 4
4.

What is the solution to the equation?

Question 5
5.

What is the solution to the equation?

a - 5 = 9

Question 6
6.

What is the solution to the equation?

10 = t - 8

Question 7
7.

What is the solution to the equation?

13 = t + 7

Question 8
8.

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

Question 9
9.

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

Question 10
10.

What is the solution of the equation?

6d = 24

Question 11
11.

What is the solution to the equation?


Question 12
12.

What is the solution to the equation?

42 = 7f

Question 13
13.

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?

Question 14
14.

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

Question 15
15.

What is the solution of the equation?


Question 16
16.

What is the solution of the equation?

4f = 44

Question 17
17.

What is the solution of the equation?

9b = 54

Question 18
18.

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?

Question 19
19.

Eliott is 63 inches tall, which is 9 inches taller than his cousin, Jackson. Write and solve an addition equation to find Jackson's height.

Your answer should include a written equation that should have a variable to represent the unknown. Your answer should also include the answer to the equation.

Question 20
20.

What are inverse operations?