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0.03x+30000=0.09x
We move all terms to the left:
0.03x+30000-(0.09x)=0
We add all the numbers together, and all the variables
0.03x-(+0.09x)+30000=0
We get rid of parentheses
0.03x-0.09x+30000=0
We add all the numbers together, and all the variables
-0.06x+30000=0
We move all terms containing x to the left, all other terms to the right
-0.06x=-30000
x=-30000/-0.06
x=+500000
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