-6n-3-n=-66

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Solution for -6n-3-n=-66 equation: 



-6n-3-n=-66

We move all terms to the left:

-6n-3-n-(-66)=0

We add all the numbers together, and all the variables

-7n+63=0

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

-7n=-63

n=-63/-7

n=+9

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