12-7n=3n+7

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Solution for 12-7n=3n+7 equation: 



12-7n=3n+7

We move all terms to the left:

12-7n-(3n+7)=0

We get rid of parentheses

-7n-3n-7+12=0

We add all the numbers together, and all the variables

-10n+5=0

We move all terms containing n to the left, all other terms to the right

-10n=-5

n=-5/-10

n=1/2

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