-12-x=2x+3

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Solution for -12-x=2x+3 equation: 



-12-x=2x+3

We move all terms to the left:

-12-x-(2x+3)=0

We add all the numbers together, and all the variables

-1x-(2x+3)-12=0

We get rid of parentheses

-1x-2x-3-12=0

We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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