How do you do this without logs?Watch
Page 98 edexcel P1 book Q.48
Given that 27^(3x+1)=9^y
(a) obtain the expression for y in the form y=ax+b, where a and b are constants.
(b) solve the equation 27^(3x+1)=9, giving your answeras an exact fraction.
Thnx for the help, i'm gunna need all i can get before monday