x=(100+0.2x)

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Solution for x=(100+0.2x) equation:



x=(100+0.2x)
We move all terms to the left:
x-((100+0.2x))=0
We add all the numbers together, and all the variables
x-((0.2x+100))=0
We calculate terms in parentheses: -((0.2x+100)), so:
(0.2x+100)
We get rid of parentheses
0.2x+100
Back to the equation:
-(0.2x+100)
We get rid of parentheses
x-0.2x-100=0
We add all the numbers together, and all the variables
0.8x-100=0
We move all terms containing x to the left, all other terms to the right
0.8x=100
x=100/0.8
x=125

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