9n-9=18

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Solution for 9n-9=18 equation:



9n-9=18
We move all terms to the left:
9n-9-(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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