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x-0.4x=200000
We move all terms to the left:
x-0.4x-(200000)=0
We add all the numbers together, and all the variables
0.6x-200000=0
We move all terms containing x to the left, all other terms to the right
0.6x=200000
x=200000/0.6
x=333333+0.20000000001164/0.6
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