X=(2x-81)

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Solution for X=(2x-81) equation: 



X=(2X-81)

We move all terms to the left:

X-((2X-81))=0



We calculate terms in parentheses: -((2X-81)), so:

(2X-81)

We get rid of parentheses

2X-81

Back to the equation:

-(2X-81)



We get rid of parentheses

X-2X+81=0

We add all the numbers together, and all the variables

-1X+81=0

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

-X=-81

X=-81/-1

X=+81

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