3x-9=99

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Solution for 3x-9=99 equation: 



3x-9=99

We move all terms to the left:

3x-9-(99)=0

We add all the numbers together, and all the variables

3x-108=0

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

3x=108

x=108/3

x=36

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