Try another version of this question Solve the System. Give answer as `(x,y,z)`. Get help: Box 1: Enter your answer as an n-tuple of numbers. Example: (2,5.5172)
`{(-4x+y-z = 5),(-8x-y+2z = 6),(16x-y+4z = -20):}`
`(x,y,z)=`
Enter DNE for Does Not Exist `(-1,0,-1)`