-12+3x=7x+8x

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Solution for -12+3x=7x+8x equation: 



-12+3x=7x+8x

We move all terms to the left:

-12+3x-(7x+8x)=0

We add all the numbers together, and all the variables

3x-(+15x)-12=0

We get rid of parentheses

3x-15x-12=0

We add all the numbers together, and all the variables

-12x-12=0

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

-12x=12

x=12/-12

x=-1

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