-7n-8=1+2n

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Solution for -7n-8=1+2n equation: 



-7n-8=1+2n

We move all terms to the left:

-7n-8-(1+2n)=0

We add all the numbers together, and all the variables

-7n-(2n+1)-8=0

We get rid of parentheses

-7n-2n-1-8=0

We add all the numbers together, and all the variables

-9n-9=0

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

-9n=9

n=9/-9

n=-1

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