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16.5=x-5+8+x/2
We move all terms to the left:
16.5-(x-5+8+x/2)=0
We add all the numbers together, and all the variables
-(x+x/2+3)+16.5=0
We get rid of parentheses
-x-x/2-3+16.5=0
We multiply all the terms by the denominator
-x*2-x-3*2+(16.5)*2=0
We add all the numbers together, and all the variables
-1x-x*2+27=0
Wy multiply elements
-1x-2x+27=0
We add all the numbers together, and all the variables
-3x+27=0
We move all terms containing x to the left, all other terms to the right
-3x=-27
x=-27/-3
x=+9
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