Take the log of each side:
2x/ log(4) = (x-1)/log (9)
solve for x.
How would you solve this for x using logarithims? I tried but when I plugged my answer for x back into the equation it didn't work at all.
4^2x = 9^x-1
2 answers
That's how I started but then I got confused, but I think I get it now thanks.
1 answer