if 3 ^ x * 4 ^ y = 19683 and x – y = 9 , then x = ?
since 19,683 is an odd number , it is not a multiple of 4 . this means that y must equal zero . since x - y = 9 and y = 0 , then x = 9 . the answer is b .
subtract(9, divide(log(divide(power(3, 9), 19683)), log(multiply(3, 4))))