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4x - 5y - z= 18 -2x - 5y -2z= 12 -2x + 5y + z = 4
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4x - 5y - z= 18
-2x - 5y -2z= 12
-2x + 5y + z = 4

User Kahowell
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4.0k points

1 Answer

0 votes

Answer:

x=-4, y=0, z=-2

Step-by-step explanation:

User Silvano Cerza
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