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1/15+1/20=1/t
We move all terms to the left:
1/15+1/20-(1/t)=0
Domain of the equation: t)!=0We add all the numbers together, and all the variables
t!=0/1
t!=0
t∈R
-(+1/t)+1/15+1/20=0
We get rid of parentheses
-1/t+1/15+1/20=0
We calculate fractions
There is no solution for this equation
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