12-2x-4=5x+15

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Solution for 12-2x-4=5x+15 equation: 



12-2x-4=5x+15

We move all terms to the left:

12-2x-4-(5x+15)=0

We add all the numbers together, and all the variables

-2x-(5x+15)+8=0

We get rid of parentheses

-2x-5x-15+8=0

We add all the numbers together, and all the variables

-7x-7=0

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

-7x=7

x=7/-7

x=-1

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