(X-20)=(3x)

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Solution for (X-20)=(3x) equation: 



(X-20)=(3X)

We move all terms to the left:

(X-20)-((3X))=0

determiningTheFunctionDomain
(X-20)-3X=0

We add all the numbers together, and all the variables

-3X+(X-20)=0

We get rid of parentheses

-3X+X-20=0

We add all the numbers together, and all the variables

-2X-20=0

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

-2X=20

X=20/-2

X=-10

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