Algebraic Expressions and Equations

What is the equation of the tape diagram?

• x + 5 = 35

• 5x = 35

• 35x = 5

• x +35 = 5

Mai's water bottle had 24 ounces in it. After she drank ounces of water, there were 10 ounces left. What is the equation that represents this situation?

• 24 - x = 10

• 24/x = 10

• 24x = 10

• 24 + x = 10

What is the equation represented by the hanger?

• 2x = 5

• x = 7

• x + 2 = 5

• x + 5 = 2

Kiran’s backpack weighs 3 pounds less than Clare’s backpack. Clare’s backpack weighs 14 pounds. What equation describes the situation?

• 14 + 3 = x

• 3x = 14

• x + 3 = 14

Tyler has 3 times as many books as Mai.

How many books does Mai have if Tyler has 15 books?

• 3

• 4

• 5

• 6

Han's house is 450 meters from school. Lin’s house is 135 meters closer to school. How far is Lin’s house from school? What equation describes the situation?

• z = 450 + 135

• 450 = 135 - z

• 135z = 450

• z = 450 - 135

What is the value of x in the equation: 8x = 48?

• 3

• 4

• 5

• 6

Solve for y: y + 26 = 45

• 19

• 29

• 18

• 21

Find the value of z: 10z = 26

• 1.6

• 2.6

• 3.6

• 4.6