X=(5x)+(4x-20)

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Solution for X=(5x)+(4x-20) equation: 



X=(5X)+(4X-20)

We move all terms to the left:

X-((5X)+(4X-20))=0



We calculate terms in parentheses: -(5X+(4X-20)), so:

5X+(4X-20)

We get rid of parentheses

5X+4X-20

We add all the numbers together, and all the variables

9X-20

Back to the equation:

-(9X-20)



We get rid of parentheses

X-9X+20=0

We add all the numbers together, and all the variables

-8X+20=0

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

-8X=-20

X=-20/-8

X=2+1/2

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