Solve the system of equations: x + y + z = 5; x - y + 3z = 9; and z = 6.
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1 answer:
X + y + 6 = 5
x - y + 18 = 9
2x + 24 = 14 minus 24
2x = -10 divided by 2
x = -5
-5 + y + 6 = 5
y = 4
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X = -1 Is the answer hope you get it right!!!!
