1-9n=-7n+7

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Solution for 1-9n=-7n+7 equation: 



1-9n=-7n+7

We move all terms to the left:

1-9n-(-7n+7)=0

We get rid of parentheses

-9n+7n-7+1=0

We add all the numbers together, and all the variables

-2n-6=0

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

-2n=6

n=6/-2

n=-3

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