1-9n=-5n-7n+7

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Solution for 1-9n=-5n-7n+7 equation: 



1-9n=-5n-7n+7

We move all terms to the left:

1-9n-(-5n-7n+7)=0

We add all the numbers together, and all the variables

-9n-(-12n+7)+1=0

We get rid of parentheses

-9n+12n-7+1=0

We add all the numbers together, and all the variables

3n-6=0

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

3n=6

n=6/3

n=2

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