-3(1+3n)-6n=72

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Solution for -3(1+3n)-6n=72 equation: 



-3(1+3n)-6n=72

We move all terms to the left:

-3(1+3n)-6n-(72)=0

We add all the numbers together, and all the variables

-3(3n+1)-6n-72=0

We add all the numbers together, and all the variables

-6n-3(3n+1)-72=0

We multiply parentheses

-6n-9n-3-72=0

We add all the numbers together, and all the variables

-15n-75=0

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

-15n=75

n=75/-15

n=-5

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