5-2n=n-7

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Solution for 5-2n=n-7 equation: 



5-2n=n-7

We move all terms to the left:

5-2n-(n-7)=0

We get rid of parentheses

-2n-n+7+5=0

We add all the numbers together, and all the variables

-3n+12=0

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

-3n=-12

n=-12/-3

n=+4

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