12x-3x+102=-12x+42

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Solution for 12x-3x+102=-12x+42 equation: 



12x-3x+102=-12x+42

We move all terms to the left:

12x-3x+102-(-12x+42)=0

We add all the numbers together, and all the variables

9x-(-12x+42)+102=0

We get rid of parentheses

9x+12x-42+102=0

We add all the numbers together, and all the variables

21x+60=0

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

21x=-60

x=-60/21

x=-2+6/7

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