Brandon is 5 years older than his brother Hermie. There combined age is 23. How old is Brandon? Find Brandon's age using the following equation:
2 + (x + 5) = 23
A
9
14
15

With #! i’ve tried to figure it out but i can’t.

5500 dollars is placed in an account with an annual interest rate of 6.5%. to the nearest tenth of a year, how long will it take for the account value to reach 19700 dollars?

Pls brainliest will be awarded if answer is correct