SOLUTION: I need to submit this assignment system of equation using matrix inversion method, 2x + 4y + 2z = 12 5x - 2y + 6z = 07 3x + 3y - 4z = 5 Could you please help.

Algebra ->  Matrices-and-determiminant -> SOLUTION: I need to submit this assignment system of equation using matrix inversion method, 2x + 4y + 2z = 12 5x - 2y + 6z = 07 3x + 3y - 4z = 5 Could you please help.      Log On


   

Question 362031: I need to submit this assignment system of equation using matrix inversion method,
2x + 4y + 2z = 12
5x - 2y + 6z = 07
3x + 3y - 4z = 5
Could you please help.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
[A]=%28matrix%283%2C3%2C2%2C4%2C2%2C5%2C-2%2C6%2C3%2C3%2C-4%29%29
[x]=%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29
[b]=%28matrix%283%2C1%2C12%2C7%2C5%29%29
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det[A]=174
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[A]inv=%281%2F174%29%2A%28matrix%283%2C3%2C-10%2C22%2C28%2C38%2C-14%2C-2%2C21%2C6%2C-24%29%29
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[x]=%28matrix%283%2C1%2C1%2C2%2C1%29%29