-66=-3-9n

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Solution for -66=-3-9n equation: 



-66=-3-9n

We move all terms to the left:

-66-(-3-9n)=0

We add all the numbers together, and all the variables

-(-9n-3)-66=0

We get rid of parentheses

9n+3-66=0

We add all the numbers together, and all the variables

9n-63=0

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

9n=63

n=63/9

n=7

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