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Write the augmented matrix as a system of equations
`[(1,0,0,250),(-4,1,0,100),(-19,5,1,300)]`
`x` + `y` + `z =`
`x` + `y` + `z =`
`x` + `y` + `z =`
`[(1,0,0,250),(-4,1,0,100),(-19,5,1,300)]`
`x` + `y` + `z =`
`x` + `y` + `z =`
`x` + `y` + `z =`
Get help:
1
0
0
250
-4
1
0
100
-19
5
1
300