solve this system for x,y, and z

x + 3y + z = -2

2x + 5y + 3z = -7

x + 4y - 3z = 4

if you could help me step by step a little bit that would be much appreciated - thank you in advance

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- Dec 11th 2008, 08:02 PMShmomo89linear systems of equations/ matrices
solve this system for x,y, and z

x + 3y + z = -2

2x + 5y + 3z = -7

x + 4y - 3z = 4

if you could help me step by step a little bit that would be much appreciated - thank you in advance - Dec 11th 2008, 08:27 PMSoroban
Hello, Shmomo89!

Quote:

We have: .

. .

Therefore: .