Try another version of this question Get help:
Write the augmented matrix as a system of equations
`OHMaug[(-1,2,-1,100),(0,1,0,350),(2,-4,1,250)]`
`x` + `y` + `z =`
`x` + `y` + `z =`
`x` + `y` + `z =`
-1
2
-1
100
0
1
0
350
2
-4
1
250