Solve Multistep Equations and Math

Select all equations that match this tape diagram.

Select all equations that match this balanced hanger.

What is the coefficient in this expression? 3x=21

• 3

• x

• 21

What is the value of x in this tape diagram?

• 3x

• 9

• 3

• 1/3

Solve:
7x - 3x - 8 = 24

• 8

• -8

• 3.2

• 4

Solve:
3(x - 2) = 18

• 6.7

• 4

• 8

• -4

Solve:
7x + 19 = -2x + 55

• 4

• 14.8

• 8.2

• -4

Solve:
3x + 7 = -8

• 5

• -5

• -12

• -18

Charlie rented a moving truck. He paid a daily fee plus a per-mile fee to rent the truck. The equation below represents the daily amount Charlie paid for the truck if he drives it x miles.
y=0.5x+10
What does the slope of the graph of this equation represent?

• The daily fee for the moving truck

• The per-mile fee for the moving truck

• How much Charlie paid for the truck

• The number of miles he drove

If a system of linear equations has one solution, what does this mean about the two lines?

• Parallel lines

• Identical lines 

• Intersecting lines