Expressions and Equations

Four friends bought tickets to the school play. If it cost them a total of $28, which equation could be used to find how much each friend paid?

• t + 7 = 28

• 28 - t = 7

• 7t = 28

• t/7 = 28

The height reached by Amal's rocket was one fourth the height reached by Min's rocket. Amal's rocket reached a height of 15 meters. Which equation could be used to find the height reached by Min's rocket?

• 4m = 15

• 15m = 4

• m/4 = 15

• 4 + m = 15

What is the solution of each equation? x/5 = 15

• 3

• 10

• 20

• 75

What is the solution of each equation? 4b = 32

• 128

• 11

• 10.5

• 8

What is the solution of each equation? 8c = 40

• 5

• 6

• 32

• 40

Solve the equation: 0.5x + 1.2 = 3.7

• 2.5

• 4.0

• 6.5

• 5.0

Solve the equation: -4x + 7 = -3

• x = 0

• x = 3

• x = -2.5

• x = 2.5

Solve for x.

14+3x=26

• x=6

• x=1

• x=4

• x=3

Solve for x:

• x = 20

• x = 7

• x = 10

• x = 3

Solve for x.

x - 8 = -5 

• 13

• -13

• 3

• -3