Question: Solve each system using matrix notation. Give each solution set in vector notation. (a) 2x + y - z = 1 4x - y =

Solve each system using matrix notation. Give each solution set in vector notation.
(a) 2x + y - z = 1
4x - y = 3
(b) x - z = 1
y + 2z - w = 3
x + 2y + 3z - w = 7
(c) x - y + z = 0
y + w = 0
3x - 2y + 3z + w = 0
-y - w = 0
(d) a + 2b + 3c + d - e = 1
3a - b + c + d + e = 3

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