12x-90=66

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Solution for 12x-90=66 equation: 



12x-90=66

We move all terms to the left:

12x-90-(66)=0

We add all the numbers together, and all the variables

12x-156=0

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

12x=156

x=156/12

x=13

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