Shane sells golf balls. He sold 4 to Jack and 5 to Doug. He had 7 golf balls left. How many golf balls did Shane have at first?
16
Solve for the variable:
5x = 3x + 20
x = 10
Solve
-6+9
3
Combine like terms:
2a + 3a + 5a
10a
Simplify:
3(a + 2)
3a + 6
Bridget borrowed 14 books from the library. She returned 8 books and borrowed 4 more. How many books did Bridget have then?
10
Solve for the variable:
6m - 7 = 2m + 25
m = 8
Solve
(-10) + 15
5
Combine like terms:
7b+ 11 + 2b
9b + 11
Simplify:
7(5k - 8)
35k - 56
There were 86 seats in the gym. 32 people sat down to watch the game. 11 people were eating a snack. How many seats were empty?
54
Solve for the variable:
10k + 30 = -2k + 54
k = 2
Solve
14+(-9)+(-20)=
-15
Combine like terms:
5a + 9a - 3a + 2a
13a
Simplify:
-9(3a - 5)
-27a + 45
A group of 32 students went to the zoo. 20 students took the bus. 4 students rode in each car. How many cars were needed?
3
Solve for the variable:
-6a + 5 = 3a - 22
a = 3
What are the two types of integers?
Positive and negative
Solve for the variable:
7m + 3m = 70
m = 7
Solve for the variable:
4(2a + 1) = 20
a = 2
Mr. Clark gave 4 lollipops to each of his 8 students. Now he only has 19 lollipops left. How many lollipops did Mr. Clark have at first?
51
Solve for the variable:
-p + 31 = 5p + 1
p = 5
Solve for k
13k-4(3-9)=76
k=4
Solve for the variable:
3a - a + 4a = 30
a = 5
Solve for the variable:
5(3y - 2) = 50
y = 4