12-5n-n=7-5n

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Solution for 12-5n-n=7-5n equation: 



12-5n-n=7-5n

We move all terms to the left:

12-5n-n-(7-5n)=0

We add all the numbers together, and all the variables

-5n-n-(-5n+7)+12=0

We add all the numbers together, and all the variables

-6n-(-5n+7)+12=0

We get rid of parentheses

-6n+5n-7+12=0

We add all the numbers together, and all the variables

-1n+5=0

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

-n=-5

n=-5/-1

n=+5

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