0.8x=x-4

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Solution for 0.8x=x-4 equation: 



0.8x=x-4

We move all terms to the left:

0.8x-(x-4)=0

We get rid of parentheses

0.8x-x+4=0

We add all the numbers together, and all the variables

-0.2x+4=0

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

-0.2x=-4

x=-4/-0.2

x=+20

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