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x+.002x=42000
We move all terms to the left:
x+.002x-(42000)=0
We add all the numbers together, and all the variables
1.002x-42000=0
We move all terms containing x to the left, all other terms to the right
1.002x=42000
x=42000/1.002
x=41916+0.16799999999785/1.002
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