-13=1-7n-7n

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Solution for -13=1-7n-7n equation: 



-13=1-7n-7n

We move all terms to the left:

-13-(1-7n-7n)=0

We add all the numbers together, and all the variables

-(-14n+1)-13=0

We get rid of parentheses

14n-1-13=0

We add all the numbers together, and all the variables

14n-14=0

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

14n=14

n=14/14

n=1

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