Try another version of this question Write the augmented matrix as a system of equations `[(1,0,0,400),(0,1,0,100),(2,-3,1,300)]` `x` + `y` + `z =` `x` + `y` + `z =` `x` + `y` + `z =` Get help: Video 1 0 0 400 0 1 0 100 2 -3 1 300
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