3(-4-6n)+5n=-90

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Solution for 3(-4-6n)+5n=-90 equation: 



3(-4-6n)+5n=-90

We move all terms to the left:

3(-4-6n)+5n-(-90)=0

We add all the numbers together, and all the variables

3(-6n-4)+5n-(-90)=0

We add all the numbers together, and all the variables

5n+3(-6n-4)+90=0

We multiply parentheses

5n-18n-12+90=0

We add all the numbers together, and all the variables

-13n+78=0

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

-13n=-78

n=-78/-13

n=+6

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