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−4x − 5y − z = 18 −2x − 5y − 2z = 12 −2x + 5y + 2z = 4
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4 votes
−4x − 5y − z = 18
−2x − 5y − 2z = 12
−2x + 5y + 2z = 4

User Leon Armstrong
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1 Answer

3 votes

Answer: (x,y,z) = (-4,0,-2)

Explanation:

User David Planella
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