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-1/2+x=20+3x/10
We move all terms to the left:
-1/2+x-(20+3x/10)=0
We add all the numbers together, and all the variables
x-(3x/10+20)-1/2=0
We get rid of parentheses
x-3x/10-20-1/2=0
We calculate fractions
There is no solution for this equation
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