X-2/5x+21=12.5/100x+x

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Solution for X-2/5x+21=12.5/100x+x equation: 



X-2/5X+21=12.5/100X+X

We move all terms to the left:

X-2/5X+21-(12.5/100X+X)=0



Domain of the equation: 5X!=0

X!=0/5

X!=0

X∈R





Domain of the equation: 100X+X)!=0

X∈R



We add all the numbers together, and all the variables

X-2/5X-(+X+12.5/100X)+21=0

We get rid of parentheses

X-2/5X-X-12.5/100X+21=0

We calculate fractions


X-X+(-200X)/500X^2+(-12.5*5X)/500X^2+21=0

We add all the numbers together, and all the variables

(-200X)/500X^2+(-12.5*5X)/500X^2+21=0

We multiply all the terms by the denominator


(-200X)+(-12.5*5X)+21*500X^2=0

Wy multiply elements

10500X^2+(-200X)+(-12.5*5X)=0

We get rid of parentheses

10500X^2-200X-12.5*5X=0

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