Answer:
Explanation:
x + y + z = 1
-x + 9y - 3z = -49
10y - 2z = -48
2x + 4y + 2z = -6
-2x + 18y - 6z= -98
22y - 4z = -104
-20y + 4z = 96
2y = -8
y = -4
10(-4) - 2z = -48
-40 - 2z = -48
-2z = -8
z = 4
x - 4 + 4 = 1
x = 1
x = 1, y = -4, z = 4
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