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200=x+.765x
We move all terms to the left:
200-(x+.765x)=0
We add all the numbers together, and all the variables
-(+1.765x)+200=0
We get rid of parentheses
-1.765x+200=0
We move all terms containing x to the left, all other terms to the right
-1.765x=-200
x=-200/-1.765
x=113+0.555/1.765
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