90=2(3-6n)

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Solution for 90=2(3-6n) equation: 



90=2(3-6n)

We move all terms to the left:

90-(2(3-6n))=0

We add all the numbers together, and all the variables

-(2(-6n+3))+90=0



We calculate terms in parentheses: -(2(-6n+3)), so:

2(-6n+3)

We multiply parentheses

-12n+6

Back to the equation:

-(-12n+6)



We get rid of parentheses

12n-6+90=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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