Answer:
- domain: all terms are defined for <em>all real numbers</em>
- solution: x = 6
Step-by-step explanation:
Rewrite the equation as a single exponential. After taking the log, the solution becomes obvious.

2 .............:)
Good luck
Answer:
21
Step-by-step explanation:
y+9 = ?
y=12
12+9=21
Answer:
450
Step-by-step explanation:
you divide 90 by 20 and times in by 100