solve for x.

485 * 5^x+2 = 12^2x-1

3 answers

take the ln of each side

ln485+(x+2)ln5=(2x-1)ln12
look up the ln of the above, then gather terms, solve for x.
is ln the same as log?
and is its ln485 + or ln485 * ?
ln(ab)= ln a + ln b