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200=x*30/100
We move all terms to the left:
200-(x*30/100)=0
We add all the numbers together, and all the variables
-(+x*30/100)+200=0
We get rid of parentheses
-x*30/100+200=0
We multiply all the terms by the denominator
-x*30+200*100=0
We add all the numbers together, and all the variables
-x*30+20000=0
Wy multiply elements
-30x+20000=0
We move all terms containing x to the left, all other terms to the right
-30x=-20000
x=-20000/-30
x=666+2/3
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