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I need to know what 9n -7 = 5n + 5
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I need to know what 9n -7 = 5n + 5

User Matthew Cachia
by
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2 Answers

2 votes

9n -7 = 5n + 5


9n=5n+5+7


9n=5n+12


9n-5n=12


4n=12


n=12/4


n=3
User Nick Butler
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7.9k points
7 votes
9n - 7 = 5n + 5 |add 7 to both sides

9n = 5n + 12 |subtract 5n from both sides

4n = 12 |divide both sides by 4

n = 3
User Yemans
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8.4k points
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