-6(3n-n)=-90

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Solution for -6(3n-n)=-90 equation: 



-6(3n-n)=-90

We move all terms to the left:

-6(3n-n)-(-90)=0

We add all the numbers together, and all the variables

-6(+2n)-(-90)=0

We add all the numbers together, and all the variables

-6(+2n)+90=0

We multiply parentheses

-12n+90=0

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

-12n=-90

n=-90/-12

n=7+1/2

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