5n-5n+9n=-18

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Solution for 5n-5n+9n=-18 equation: 



5n-5n+9n=-18

We move all terms to the left:

5n-5n+9n-(-18)=0

We add all the numbers together, and all the variables

9n+18=0

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

9n=-18

n=-18/9

n=-2

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