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+4y+3z = 40),(-8x-4y-5z = -12),(16x-4y+6z = -40):}`
`(x,y,z)=`
Enter DNE for Does Not Exist `(-3,4,4)`