20=0.40x

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Solution for 20=0.40x equation: 



20=0.40x

We move all terms to the left:

20-(0.40x)=0

We add all the numbers together, and all the variables

-(+0.40x)+20=0

We get rid of parentheses

-0.40x+20=0

We add all the numbers together, and all the variables

-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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