-2n+9n-13n=18

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Solution for -2n+9n-13n=18 equation: 



-2n+9n-13n=18

We move all terms to the left:

-2n+9n-13n-(18)=0

We add all the numbers together, and all the variables

-6n-18=0

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

-6n=18

n=18/-6

n=-3

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