SOLUTION: The following matrix represents the value of x or y or z or none of the variables for the following system?
x + y - 2z = 4
2x + y + 2z = 0
Algebra.Com
Question 269301: The following matrix represents the value of x or y or z or none of the variables for the following system?
x + y - 2z = 4
2x + y + 2z = 0
x - 3y - 4z = -2
matrix
1 1 4
2 1 0
1 -3 -2
_________
1 1 -2
2 1 2
1 -3 -4
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
Ans: z
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Cheers,
Stan H.
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