`#3107.101107`
`2^x \div 16 = 2^5`
`=> 2^x \div 2^4 = 2^5`
`=> 2^x = 2^5 * 2^4`
`=> 2^x = 2^(5+4)`
`=> 2^x = 2^9`
`=> x = 9`
Vậy, `x = 9.`
`2^x:16=2^5`
`=>2^x:2^4=2^5`
`=>2^x=2^5 . 2^4`
`=>2^x=2^9`
`=>x=9`
2x:16=25
2x : 24 = 25
2x=25. 24 = 29
x = 9