n+7=2n-4

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Solution for n+7=2n-4 equation: 



n+7=2n-4

We move all terms to the left:

n+7-(2n-4)=0

We get rid of parentheses

n-2n+4+7=0

We add all the numbers together, and all the variables

-1n+11=0

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

-n=-11

n=-11/-1

n=+11

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