-3(2n-7)=30

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Solution for -3(2n-7)=30 equation: 



-3(2n-7)=30

We move all terms to the left:

-3(2n-7)-(30)=0

We multiply parentheses

-6n+21-30=0

We add all the numbers together, and all the variables

-6n-9=0

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

-6n=9

n=9/-6

n=-1+1/2

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