50*0,4=a

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Solution for 50*0,4=a equation: 



50*0.4=a

We move all terms to the left:

50*0.4-(a)=0

We add all the numbers together, and all the variables

-1a+20=0

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

-a=-20

a=-20/-1

a=+20

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