Try another version of this question Write the augmented matrix as a system of equations `[(7,-4,-3,250),(-6,4,3,350),(-2,1,1,400)]` `x` + `y` + `z =` `x` + `y` + `z =` `x` + `y` + `z =` Get help: Video 7 -4 -3 250 -6 4 3 350 -2 1 1 400
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