Question

Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists.
4x - y + 3z = 12
x + 4y + 6z = -32
5x + 3y + 9z = 20

A. {(8, -7, -2)}
B. {(-8, -7, 9)}
C. ∅
D. {(2, -7, -1)}

Answer 1

are you getting help with this

Answer 2

I think B or D whay do you thinnk

Answer 3

i really don't know. :/