SOLUTION: I was wondering if someone could tell me if I got this problem right. 3x + y + 2z = 3 x - 5y - z = 0 2x + 3y + 2z = 0 I got as a final answer: -21, -12, 3

Algebra ->  Matrices-and-determiminant -> SOLUTION: I was wondering if someone could tell me if I got this problem right. 3x + y + 2z = 3 x - 5y - z = 0 2x + 3y + 2z = 0 I got as a final answer: -21, -12, 3      Log On


   



Question 145190: I was wondering if someone could tell me if I got this problem right.
3x + y + 2z = 3
x - 5y - z = 0
2x + 3y + 2z = 0
I got as a final answer: -21, -12, 39
Thank you in advance for all the help you have given me. Elle J

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