84=x*0.2x

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Solution for 84=x*0.2x equation: 



84=x*0.2x

We move all terms to the left:

84-(x*0.2x)=0

We add all the numbers together, and all the variables

-(+x*0.2x)+84=0

We get rid of parentheses

-x*0.2x+84=0

Wy multiply elements

0x^2+84=0

We add all the numbers together, and all the variables

x^2+84=0

a = 1; b = 0; c = +84;
Δ = b2-4ac
Δ = 02-4·1·84
Δ = -336
Delta is less than zero, so there is no solution for the equation

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