5x+7=12x+15

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



5x+7=12x+15

We move all terms to the left:

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

We get rid of parentheses

5x-12x-15+7=0

We add all the numbers together, and all the variables

-7x-8=0

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

-7x=8

x=8/-7

x=-1+1/7

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