Question: Solve each of the systems in Exercise 10 by Gaussian elimination. In Exercise 10 (a) 5x1 - 2x2 + 6x3 = - 2x1 + x2

Solve each of the systems in Exercise 10 by Gaussian elimination.
In Exercise 10
(a) 5x1 - 2x2 + 6x3 =
- 2x1 + x2 + 3x3 = 1
(b) w + 2x - y = 4
x - y = 3
w + 3x - 2y = 7
2u + 4v + w + 7x = 7

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