SOLUTION: logarithmic equation solve 3^x+2=81 need help Im kinda slow..lol

Question 638182: logarithmic equation
solve 3^x+2=81 need help Im kinda slow..lol
Answer by MathTherapy(10557) (Show Source): You can put this solution on YOUR website!

logarithmic equation
solve 3^x+2=81 need help Im kinda slow..lol

----- Changing 81 to base of 3

x + 2 = 4 ---- If bases are equal, their exponents are too.

x = 4 - 2

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