Question: (1 point) Solve the system + x2 = X1 LA +x3 - X 2 X3 +X4 = -4 = X1 +X4 -7 -1 X1 -1

(1 point) Solve the system + x2 = X1 LA +x3 - X 2
(1 point) Solve the system + x2 = X1 LA +x3 - X 2 X3 +X4 = -4 = X1 +X4 -7 -1 X1 -1 1 X 2 = +s X3 -2 -1 X4 0

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