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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