3(5n+2)-3n=-90

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Solution for 3(5n+2)-3n=-90 equation: 



3(5n+2)-3n=-90

We move all terms to the left:

3(5n+2)-3n-(-90)=0

We add all the numbers together, and all the variables

-3n+3(5n+2)+90=0

We multiply parentheses

-3n+15n+6+90=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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