-18=-45-9n

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Solution for -18=-45-9n equation: 



-18=-45-9n

We move all terms to the left:

-18-(-45-9n)=0

We add all the numbers together, and all the variables

-(-9n-45)-18=0

We get rid of parentheses

9n+45-18=0

We add all the numbers together, and all the variables

9n+27=0

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

9n=-27

n=-27/9

n=-3

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