Grade 7 McGraw Hill Glencoe - Answer Keys Answer keys Chapter 6: Equations and Inequalities; Lesson 2: Multiplication and Division Equations

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Grade 7 McGraw Hill Glencoe - Answer Keys

Chapter 6: Equations and Inequalities; Lesson 2: Multiplication and Division Equations

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Independent Practice

Solve each equation. Check your solution.

Question 1 (request help)
\(7a = 49\)

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Question 2 (request help)
\(-6 = 2x\)

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Question 3 (request help)
\(-32 = -4b\)

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Question 4 (request help)
\(\frac{u}{6}=9\)

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Question 5 (request help)
\(-8 = \frac{c}{-10}\)

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Question 6 (request help)
\(54 = -9d\)

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Question 7 (request help)
\(-12y = 60\)

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Question 8 (request help)
\(\frac{r}{20}= -2\)

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Question 9 (request help)
Brandy wants to buy a digital camera that costs $300. Suppose she saves $15 each week. In how many weeks will she have enough money for the camera? Use a bar diagram to solve arithmetically. Then use an equation to solve algebraically.

(show solution)

Question 10 (request help)
A race car can travel at a rate of 205 miles per hour. At this rate, how far would it travel in 3 hours? Use \(r =\large\frac{d}{t}\) . Write an equation and then solve.

\(\text{miles}\)

(show solution)

Question 11 (request help)
A certain hurricane travels at 20.88 kilometers per hour. The distance from Cuba to Key West is 145 kilometers. Write and solve a multiplication equation to find about how long it would take the hurricane to travel from Cuba to Key West.

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