135=7(5-2n)-6n

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Solution for 135=7(5-2n)-6n equation: 



135=7(5-2n)-6n

We move all terms to the left:

135-(7(5-2n)-6n)=0

We add all the numbers together, and all the variables

-(7(-2n+5)-6n)+135=0



We calculate terms in parentheses: -(7(-2n+5)-6n), so:

7(-2n+5)-6n

We add all the numbers together, and all the variables

-6n+7(-2n+5)

We multiply parentheses

-6n-14n+35

We add all the numbers together, and all the variables

-20n+35

Back to the equation:

-(-20n+35)



We get rid of parentheses

20n-35+135=0

We add all the numbers together, and all the variables

20n+100=0

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

20n=-100

n=-100/20

n=-5

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