120=2(4-7n)

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Solution for 120=2(4-7n) equation: 



120=2(4-7n)

We move all terms to the left:

120-(2(4-7n))=0

We add all the numbers together, and all the variables

-(2(-7n+4))+120=0



We calculate terms in parentheses: -(2(-7n+4)), so:

2(-7n+4)

We multiply parentheses

-14n+8

Back to the equation:

-(-14n+8)



We get rid of parentheses

14n-8+120=0

We add all the numbers together, and all the variables

14n+112=0

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

14n=-112

n=-112/14

n=-8

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