-x+8=12.

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Solution for -x+8=12. equation: 



-x+8=12.

We move all terms to the left:

-x+8-(12.)=0

We add all the numbers together, and all the variables

-x+8-12=0

We add all the numbers together, and all the variables

-1x-4=0

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

-x=4

x=4/-1

x=-4

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