SOLUTION: Hi, I need help solving a system of equations by using Matrices, and using the Gaussian Elimination. We have to do the matrix by hand and show all row operations. Here are the equa

Algebra ->  Matrices-and-determiminant -> SOLUTION: Hi, I need help solving a system of equations by using Matrices, and using the Gaussian Elimination. We have to do the matrix by hand and show all row operations. Here are the equa      Log On


   

Question 543516: Hi, I need help solving a system of equations by using Matrices, and using the Gaussian Elimination. We have to do the matrix by hand and show all row operations. Here are the equations:
5x+4y-2z=(-8)
2x+6y-z=9
4x-4y+z=(-15)
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
x = -2, y = 3, z = 5