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

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

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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) (Show Source): You can put this solution on YOUR website!
x = -2, y = 3, z = 5
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