Try another version of this question
Solve the system of equations. If the system has a unique solution, give it as an ordered triple: `(x,y,z)`
` { ( x-2y+z = 9), ( y+2z = -1), ( x+y+3z = -2) :} `
Get help:
Box 1: Enter your answer as a point. Example: (2,5.5172)
`(-3,-5,2)`