Writing 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

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.

Select all equations that match this balanced hanger.

Select all equations that match this balanced hanger.

Select all equations that match this tape diagram.

Select all equations that match this balanced hanger.

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

• 3

• x

• 21