40=0.2xx

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Solution for 40=0.2xx equation: 



40=0.2xx

We move all terms to the left:

40-(0.2xx)=0

We add all the numbers together, and all the variables

-(+0.2xx)+40=0

We get rid of parentheses

-0.2xx+40=0

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

-0.2xx=-40

x=-40/1

x=-40

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