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Eduardwww
[97]
3 years ago
10
I need to know what 9n -7 = 5n + 5
Mathematics
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2
answers:
soldi70
[24.7K]
3 years ago
7
0
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
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Arlecino
[84]
3 years ago
5
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