9X-2+12x-4=20x+15

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Solution for 9X-2+12x-4=20x+15 equation: 



9X-2+12X-4=20X+15

We move all terms to the left:

9X-2+12X-4-(20X+15)=0

We add all the numbers together, and all the variables

21X-(20X+15)-6=0

We get rid of parentheses

21X-20X-15-6=0

We add all the numbers together, and all the variables

X-21=0

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

X=21

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