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x+.5(x)=455
We move all terms to the left:
x+.5(x)-(455)=0
We add all the numbers together, and all the variables
1.5x-455=0
We move all terms containing x to the left, all other terms to the right
1.5x=455
x=455/1.5
x=303+0.5/1.5
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