-12+15=-1-8x

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Solution for -12+15=-1-8x equation: 



-12+15=-1-8x

We move all terms to the left:

-12+15-(-1-8x)=0

We add all the numbers together, and all the variables

-(-8x-1)-12+15=0

We add all the numbers together, and all the variables

-(-8x-1)+3=0

We get rid of parentheses

8x+1+3=0

We add all the numbers together, and all the variables

8x+4=0

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

8x=-4

x=-4/8

x=-1/2

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