12x+7=2x-15

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Solution for 12x+7=2x-15 equation: 



12x+7=2x-15

We move all terms to the left:

12x+7-(2x-15)=0

We get rid of parentheses

12x-2x+15+7=0

We add all the numbers together, and all the variables

10x+22=0

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

10x=-22

x=-22/10

x=-2+1/5

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