-99=9x+9

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Solution for -99=9x+9 equation:



-99=9x+9
We move all terms to the left:
-99-(9x+9)=0
We get rid of parentheses
-9x-9-99=0
We add all the numbers together, and all the variables
-9x-108=0
We move all terms containing x to the left, all other terms to the right
-9x=108
x=108/-9
x=-12

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