Hey guys,

I've solved these question, but about three times each with a different answer each time :S so if someone could kindly work these out I'd be very happy. Here they are:

Solve each of the equations given below.

a) 4^(x + 3) = 6 ^(x - 2)

b) log base 5 X/125 = log base 7 (49x^3)