Apply the echelon method, Apply the echelon method to solve

Apply the echelon method

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Reference no: EM1315083

Question: Apply the echelon method to solve the system of three equations in three unknowns.

x - y + z = -1
x + y + z = 5
x + y - z = 9

a. (4, 3, -2)
b. (4, -2, 3)
c. (-2, 4, 3)
d. No solution

Reference no: EM1315083

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