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7(r − 1) = 6(r + 1) please show work
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7(r − 1) = 6(r + 1) please show work

User Stuartd
by
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2 Answers

1 vote

Answer: r−13

Step-by-step explanation: Step 1. (7 • (r - 1)) - 6 • (r + 1)

Step 2. 7 • (r - 1) - 6 • (r + 1)

User Xpda
by
7.5k points
6 votes

Answer:

r=13

Explanation:

7r-7=6r+6

7r-7+7=6r+6+7

7r=6r+13

7r-6r=6r+13-6r

r=13

User Landys
by
7.5k points
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