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01-05-2017
Mathematics

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What is n equals to in this eqution 12n+7=8n+15?

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01-05-2017

12n + 7 = 8n + 15
Subtract 8n from both sides.
4n + 7 = 15
Subtract 7 from both sides.
4n = 8
Divide both sides by 4.
n = 2

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