20=(0.4)(x)

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Solution for 20=(0.4)(x) equation: 



20=(0.4)(x)

We move all terms to the left:

20-((0.4)(x))=0



We calculate terms in parentheses: -((0.4)x), so:

(0.4)x

We multiply parentheses

0.4x

Back to the equation:

-(0.4x)



We add all the numbers together, and all the variables

-(+0.4x)+20=0

We get rid of parentheses

-0.4x+20=0

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

-0.4x=-20

x=-20/-0.4

x=+50

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