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.8x+.4x=940000
We move all terms to the left:
.8x+.4x-(940000)=0
We add all the numbers together, and all the variables
1.2x-940000=0
We move all terms containing x to the left, all other terms to the right
1.2x=940000
x=940000/1.2
x=783333+0.40000000002328/1.2
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