Unit 6 Review

Which equation is NOT solved correctly?

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Which equation is y=4 a solution?

• y + 4 = 4

• 4y = 44

• 18 – y = 14

Solve this equation. 17+x=89

(a)  

Which equation is solved correctly?

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In the equation 56 = t - 10, what operation should be done to solve it?

• subtract 10
• add 10
• subtract 56
• add 56

Which of these equations is solved correctly?

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Which of these equations is solved correctly?

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Solve this equation. 1.3a=8.19

(a)  

In the equation k + 13 = 24, what operation should be done to solve it?

• add 24
• subtract 24
• add 13
• subtract 13

The school cafeteria serves a salad choice 108 days during the school year.  Salads are an option 3 days each week.  Write and solve an equation that models this situation in “w” weeks.

• 108 = 3 + w

• 108 = 3 - w

• 108 = 3w

• 108 = 3/w