30.3k views
5 votes
Solve for x
9^x/9^3=9^5​

2 Answers

5 votes

Answer:

x=8

Explanation:

when dividing, you subtract the indicies (powers) and vice versa

rearrange the equation:

9^x=9^5​*9^3

5+3= 8 (add because when multiplying with indicies you need to add the indicies)

check answer:

9^8/9^3=9^5​

8-3=5 ✓

User Thariama
by
4.1k points
6 votes

Answer:

9^x =9^5.

9^3

cross multiply

9^x=9^5×9^3

the nine cancel themselves .

x=5+3=8.

User Muzamil
by
4.1k points