156=-4(3-7n)

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Solution for 156=-4(3-7n) equation: 



156=-4(3-7n)

We move all terms to the left:

156-(-4(3-7n))=0

We add all the numbers together, and all the variables

-(-4(-7n+3))+156=0



We calculate terms in parentheses: -(-4(-7n+3)), so:

-4(-7n+3)

We multiply parentheses

28n-12

Back to the equation:

-(28n-12)



We get rid of parentheses

-28n+12+156=0

We add all the numbers together, and all the variables

-28n+168=0

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

-28n=-168

n=-168/-28

n=+6

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