How do you solve 3 ^(5x) = 27^(2x + 1)?

1 Answer
Apr 14, 2016

Rearrange and take the logarithms to the base 3 of both sides, to yield x=-3

Explanation:

Rewrite the right hand side:

27^(2x+1)=3^(3(2x+1))=3^(6x+3)

Now the overall equation is:

3^(5x)=3^(6x+3)

Taking the log to the base 3 of both sides:

5x=6x+3

x=-3