SOLUTION: 3(9)^(x-1)=81^(2x+1) . . I am taking a online course and it is tough sometimes to try and teach urself . . any takers on expaling how i can solve this? Also, Log(1-5x)=2
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Question 375718: 3(9)^(x-1)=81^(2x+1) . . I am taking a online course and it is tough sometimes to try and teach urself . . any takers on expaling how i can solve this? Also, Log(1-5x)=2
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
The given equation is equivalent to , or
100 = 1 - 5x,
5x = 1 - 100,
5x = -99,
x = -99/5. This value satisfies the original equation, so it is the final answer.
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