2x-3y+z=5 x+y+z=0 4x+2y+4z=4
2x-3y+z=5 x+y+z=0 4x+2y+4z=4
2x +z=4 2x-y =4 x+y-z=0
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Help? Systems..
Consistent or inconsistent? y = 2x + 5 -2x + y = -2