Question

unequal bases, solve!?

Answer 1

anyone help?

Answer 2

9^(3x) = 7


ln(9^(3x)) = ln(7)


3x*ln(9) = ln(7)


x*(3ln(9)) = ln(7)


x = ln(7)/(3ln(9))


x = 1.9459/(3*2.1972)


x = 1.9459/6.5916


x = 0.2952


So the answer is approximately x = 0.2952