Löse das lineare Gleichungssystem.


`{(-3x,-,6y,-,3z,-,9w,=,24),(6x,+,10y,+,3z,+,18w,=,-43),(-2x,-,4y,-,z,-,6w,=,17),(6x,+,12y,+,6z,+,21w,=,-51):}`

x =  
y =  
z =  
w =