CC Math Solving Equations

Please solve this equation

7x = 84

• x = 77

• x = 91

• x = 588

• None of these match my answer

Please solve this equation Melanie and Julian have 50 dinosaurs in total. Julian has 21 dinosaurs. How many dinosaurs does Melanie have?

• g = 29

• g = 71

• g = 1050

• None of these match my answer

Please solve this equation

^c/₉ = 8

• c = 1

• c = 17

• c = ⁸/₉

• None of these match my answer

Which equation has x = 5 as the solution?

• x + 15 = 10

• 2x = 5

• 2x = 10

• x/2 = 10

Select all equations that are represented in this diagram.

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Here is an equation: x+4=17

Which diagram represents this equation?

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

• 3

• x

• 21

Which equation is represented in this tape diagram?

• x+5=35

• 35x=5

• 5x=35

• 35-x=x

Select all equations that match this tape diagram.

Select all equations that match this tape diagram.