Multiplying Equations
3x=27
9
x/5 = 6
30
16
x - 15 = 98
113
Jessica and Jamie scored 42 points altogether. Jamie scored 23 more points than Jessica. Write an equation to solve how much Jessica scored.
x + 23 = 42
15x=135
9
x/25 = 63
1,575
x + 18.1 = 19.3
1.2
x - 19.1 = 99.90
119
There were 89 fewer students at the pep rally than at the football game. There were 200 students at the pep rally. Write an equation to figure out how many students attended the football game?
x - 89 = 200
-161x=644
x/161 = 632
101,752
x + 9.7 = 18
8.3
x - 67.15 = 98
165.15
Kathi spent $2.75 on coffee each time she went. If she spent $195, write an equation to tell how many times she went to get coffee.
2.75x=195
-16x = -36
2.25
x/-9 = 27
-243
x + 4 = -9
x - 19 = -81
-62
Carol put her students into group of seven. If each group has 9 people in them, write an equation on how to figure out how many people are in the class. Also solve the equation.
x/7 = 9 , x = 63
Mrs. White's class had 5 times as much cans for the food drive than Mrs. McClure's. If Mrs. White's class has 75 cans, then how many does Mrs. McClure's class have?
15
x/-90 = -9
810
What does the inverse operation mean?
Opposite Operation
x - 19.8 = -51.2
-31.4
An equilateral triangle has side lengths of 2x. The perimeter of the triangle is 42. Write an equation and SOLVE to figure out what each length of the triangle is.
6x=42, each side length is 14