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x+.65x=200
We move all terms to the left:
x+.65x-(200)=0
We add all the numbers together, and all the variables
1.65x-200=0
We move all terms containing x to the left, all other terms to the right
1.65x=200
x=200/1.65
x=121+0.35000000000002/1.65
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