-142=n-7(1+4n)

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Solution for -142=n-7(1+4n) equation: 



-142=n-7(1+4n)

We move all terms to the left:

-142-(n-7(1+4n))=0

We add all the numbers together, and all the variables

-(n-7(4n+1))-142=0



We calculate terms in parentheses: -(n-7(4n+1)), so:

n-7(4n+1)

We multiply parentheses

n-28n-7

We add all the numbers together, and all the variables

-27n-7

Back to the equation:

-(-27n-7)



We get rid of parentheses

27n+7-142=0

We add all the numbers together, and all the variables

27n-135=0

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

27n=135

n=135/27

n=5

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