42=-6(3n+6)+6(n-3)

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Solution for 42=-6(3n+6)+6(n-3) equation: 



42=-6(3n+6)+6(n-3)

We move all terms to the left:

42-(-6(3n+6)+6(n-3))=0



We calculate terms in parentheses: -(-6(3n+6)+6(n-3)), so:

-6(3n+6)+6(n-3)

We multiply parentheses

-18n+6n-36-18

We add all the numbers together, and all the variables

-12n-54

Back to the equation:

-(-12n-54)



We get rid of parentheses

12n+54+42=0

We add all the numbers together, and all the variables

12n+96=0

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

12n=-96

n=-96/12

n=-8

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