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10/0.8=0.5/r
We move all terms to the left:
10/0.8-(0.5/r)=0
Domain of the equation: r)!=0We add all the numbers together, and all the variables
r!=0/1
r!=0
r∈R
-(+0.5/r)+10/0.8=0
We get rid of parentheses
-0.5/r+10/0.8=0
We calculate fractions
There is no solution for this equation
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