`(x+15) : 5 + 22= 24`
`=> (x+15) : 5 = 2`
`=> x + 15 = 10`
`=> x = -5`
`(x - 36 ) : 18 = 12`
`=> x - 36 = 216`
`=> x = 252`
`(x - 3) ^ 2 = 16`
`=> (x - 3) ^ 2 = 4^2`
`=>` \(\left[ \begin{array}{l}x-3=4\\x-3=-4\end{array} \right.\)
`=>` \(\left[ \begin{array}{l}x=7\\x=-1\end{array} \right.\)
`3^(2x-1) = 27`
`=> 3^(2x-1) = 3^3`
`=> 2x -1 = 3`
`=> 2x = 4`
`=> x = 2`
`(2 + x) ^ 3 = 8`
`=> (2 + x) ^ 3 = 2^3`
`=> 2 + x = 2`
`=> x = 0`
(Chúc bạn học tốt)