12x+15=5x-7

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Solution for 12x+15=5x-7 equation: 



12x+15=5x-7

We move all terms to the left:

12x+15-(5x-7)=0

We get rid of parentheses

12x-5x+7+15=0

We add all the numbers together, and all the variables

7x+22=0

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

7x=-22

x=-22/7

x=-3+1/7

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