12x-9x=105

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Solution for 12x-9x=105 equation: 



12x-9x=105

We move all terms to the left:

12x-9x-(105)=0

We add all the numbers together, and all the variables

3x-105=0

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

3x=105

x=105/3

x=35

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