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What is the value for Z in the solution of the system?
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What is the value for Z in the solution of the system?

What is the value for Z in the solution of the system?-example-1
User Chi Chan
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3x-4y+2z=20
x+y-z=-4
6x-y+2z=23

x=2
y=-1
z=5
User Roman Makhlin
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