12x+3+7x-2=90

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Solution for 12x+3+7x-2=90 equation: 



12x+3+7x-2=90

We move all terms to the left:

12x+3+7x-2-(90)=0

We add all the numbers together, and all the variables

19x-89=0

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

19x=89

x=89/19

x=4+13/19

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