9z-9=99

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Solution for 9z-9=99 equation:



9z-9=99
We move all terms to the left:
9z-9-(99)=0
We add all the numbers together, and all the variables
9z-108=0
We move all terms containing z to the left, all other terms to the right
9z=108
z=108/9
z=12

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