SOLUTION: solve for x if (2e^x-e^(-x))/5=t

Question 1080329: solve for x if (2e^x-e^(-x))/5=t
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let ,

Using the quadratic equation,

The solution with the negative sign would give a negative right hand side which would have no solution so we remove that portion,

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