159=5(7-4n)+4

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Solution for 159=5(7-4n)+4 equation: 



159=5(7-4n)+4

We move all terms to the left:

159-(5(7-4n)+4)=0

We add all the numbers together, and all the variables

-(5(-4n+7)+4)+159=0



We calculate terms in parentheses: -(5(-4n+7)+4), so:

5(-4n+7)+4

We multiply parentheses

-20n+35+4

We add all the numbers together, and all the variables

-20n+39

Back to the equation:

-(-20n+39)



We get rid of parentheses

20n-39+159=0

We add all the numbers together, and all the variables

20n+120=0

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

20n=-120

n=-120/20

n=-6

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