8-x=-3x=12

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



8-x=-3x=12

We move all terms to the left:

8-x-(-3x)=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

-1x+3x+8=0

We add all the numbers together, and all the variables

2x+8=0

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

2x=-8

x=-8/2

x=-4

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