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x+0.5x=20.x(0)=0
We move all terms to the left:
x+0.5x-(20.x(0))=0
We add all the numbers together, and all the variables
x+0.5x-(+20.x)=0
We add all the numbers together, and all the variables
1.5x-(+20.x)=0
We get rid of parentheses
1.5x-20.x=0
We add all the numbers together, and all the variables
-18.5x=0
x=0/-18.5
x=0
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