-7n-2n=18

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Solution for -7n-2n=18 equation:



-7n-2n=18
We move all terms to the left:
-7n-2n-(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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