Addition
Solve for the variable: m + 4 = 12
8
Solve for the variable: 2 = k - 4
6
A stunt airplane is flying at 150 feet. It ascends to 325 feet. Write and solve an equation to find the change in altitude of the airplane.
150 + a = 325
a = 175 feet
Simplify the expression: 2x + 10x + x
13x
Simplify the expression: 8(x + 2)
8x + 16
Solve for the variable: 8 + x = 14
6
Solve for the variable: a - 3.2 = 5.5
8.7
Cammy is saving money to buy a jacket that costs $47. She has already saved 25. Write and solve an equation to find how much more money Cammy needs to save.
25 + m = 47
m = $22
Simplify the expression: 4x + 7 + 8x - 3
12x + 4
Simplify the expression: 4(3 - 2x)
12 - 8x
Solve for the variable: 1.9 + y = 4.8
2.9
Solve for the variable: b - 2/8 = 1
1 2/8
Virginia's mother gave her marbles for her birthday. Virginia lost 13 of them. If she has 24 marbles left, write and solve an equation to find how many her mother gave her.
m - 13 = 24
m = 37 marbles
What are the coefficients in the expression: 14m + 8 + 6m + m
1, 6, 14
Simplify the expression: (7x + 9y)4
28x + 36y
Solve for the variable: w + 2/7 = 5/14
1/14
Solve for the variable: k - 32.9 = 15.6
49.4
Claudio went for a walk. While he was walking, $1.35 fell out of his pocket. When he returned home, he counted his money and had $2.55 left. Write and solve an equation to find how much money was in Claudio's pocket when he started the walk.
m - 1.35 = 2.55
m = $3.90
Simplify the expression: 5(7x + 2)
35x + 10
Simplify the expression: 6(8y - 11) + 2y
50y - 66
Solve for the variable: 2/5 = 2/10 + k
1/5
Solve for the variable: m - 1/3 = 7/9
1 1/9
Aida was hang gliding. After descending 35 feet in altitude, she was gliding at 125 feet. Write and solve an equation to find her height when she started hang gliding.
a - 35 = 125
a = 160 ft
Simplify the expression: 3(4x - 3) + 9x
21x - 9
Simplify the expression: 9(2x + 5y) + 7 +8y
18x + 53y + 7