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)
`{(5x-3y-2z = -6),(10x+3y-4z = 15),(-20x+3y+6z = 5):}`
`(x,y,z)=`
Enter DNE for Does Not Exist `(-1,3,-4)`