Mathematics, 18.05.2020 22:57, Skye251

X-y-2z=4 -x+3y-z=8 -2-y=4z=-1 what is the new 2x2 system

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X-y-2z=4 -x+3y-z=8 -2-y=4z=-1 what is the new 2x2 system...