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30000000=x+0.10x
We move all terms to the left:
30000000-(x+0.10x)=0
We add all the numbers together, and all the variables
-(+1.1x)+30000000=0
We get rid of parentheses
-1.1x+30000000=0
We move all terms containing x to the left, all other terms to the right
-1.1x=-30000000
x=-30000000/-1.1
x=27272727+0.29999999702/1.1
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