SOLUTION: find x:
3^x - 3^-x = 4
Algebra.Com
Question 1100499: find x:
3^x - 3^-x = 4
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Use a substitution,
So,
The negative sign would lead to a negative right hand side which is not a possible solution.
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