87=3(1+4n)

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Solution for 87=3(1+4n) equation: 



87=3(1+4n)

We move all terms to the left:

87-(3(1+4n))=0

We add all the numbers together, and all the variables

-(3(4n+1))+87=0



We calculate terms in parentheses: -(3(4n+1)), so:

3(4n+1)

We multiply parentheses

12n+3

Back to the equation:

-(12n+3)



We get rid of parentheses

-12n-3+87=0

We add all the numbers together, and all the variables

-12n+84=0

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

-12n=-84

n=-84/-12

n=+7

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