13-5n=8-2(7n-7)

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Solution for 13-5n=8-2(7n-7) equation: 



13-5n=8-2(7n-7)

We move all terms to the left:

13-5n-(8-2(7n-7))=0



We calculate terms in parentheses: -(8-2(7n-7)), so:

8-2(7n-7)

determiningTheFunctionDomain
-2(7n-7)+8

We multiply parentheses

-14n+14+8

We add all the numbers together, and all the variables

-14n+22

Back to the equation:

-(-14n+22)



We get rid of parentheses

-5n+14n-22+13=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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