8x+x=x-4

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Solution for 8x+x=x-4 equation: 



8x+x=x-4

We move all terms to the left:

8x+x-(x-4)=0

We add all the numbers together, and all the variables

9x-(x-4)=0

We get rid of parentheses

9x-x+4=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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