-3(1+n)=3(7+7n)

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Solution for -3(1+n)=3(7+7n) equation: 



-3(1+n)=3(7+7n)

We move all terms to the left:

-3(1+n)-(3(7+7n))=0

We add all the numbers together, and all the variables

-3(n+1)-(3(7n+7))=0

We multiply parentheses

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



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

3(7n+7)

We multiply parentheses

21n+21

Back to the equation:

-(21n+21)



We get rid of parentheses

-3n-21n-21-3=0

We add all the numbers together, and all the variables

-24n-24=0

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

-24n=24

n=24/-24

n=-1

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