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?
What is the solution to the equation?
9 + k = 18
18
9
8
What is the solution to the equation?
r - 11 = 5
11
14
16
What is the solution to the equation?
3w = 30
10
9
6
What is the solution to the equation?
2
48
3
What is the solution to the equation?
a - 5 = 9
14
5
4
What is the solution to the equation?
10 = t - 8
4
20
18
What is the solution to the equation?
13 = t + 7
5
6
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
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
What is the solution of the equation?
6d = 24
4
5
144
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
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?
2c = $5.50
2 + c = $5.50
What is the solution of the equation?
8
3
48
What is the solution of the equation?
4f = 44
6
11
96
What is the solution of the equation?
9b = 54
486
6
10
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?