Question: Please show step by step (Section 2.3) 20 points 3. a. Solve the system by inverting the coefficient matrix and using Theorem 1.6.2 of the

Please show step by step

(Section 2.3) 20 points 3. a. Solve the system by inverting the coefficient matrix and using Theorem 1.6.2 of the textbook. -x - 2y - 3z = 0 w+ x+ 4y+42=7 w + 3x + 7y+9z =4 -w - 2x - 4y - 6z = 6 b. Determine conditions on the bj's, if any, in order to guarantee that the linear system is consistent. X1 - 212 - 3 = b1 -4x1 + 5x2+ 2x3 = 62 -4x1 + 712+ 413 =63

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