-7n+8n=7+4n-2n

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Solution for -7n+8n=7+4n-2n equation: 



-7n+8n=7+4n-2n

We move all terms to the left:

-7n+8n-(7+4n-2n)=0

We add all the numbers together, and all the variables

-7n+8n-(2n+7)=0

We add all the numbers together, and all the variables

n-(2n+7)=0

We get rid of parentheses

n-2n-7=0

We add all the numbers together, and all the variables

-1n-7=0

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

-n=7

n=7/-1

n=-7

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