`24,3-y:16-3,4=30,34`
`=>24,3-y:16=30,34+3,4`
`=>24,3-y:16=33,74`
`=>y:16=24,3-33,74`
`=>y:16=-9,44`
`=>y=-9,44xx16`
`=>y=-151,04`
=>24,3-y:16 = 30,34+3,4
=>24,3-y:16 = 33,74
=>y:16=24,3-33,74
=>y:16=-9,44
=>y= -9,44 x 16
=>y= -151,04
Vậy y = -151,04