please help!!!!
picture below
![please help picture below class=](https://us-static.z-dn.net/files/d98/9da9c47beaa2388adb12bc4e25311530.png)
Answer:
7 ^ 6x + 2 = 7^15
taking log on both the sides
log 7^6x + 2 = log 7^15
6x + 2 log 7 = 15 log 7
log 7