Question: (1) Solve the following linear equations using substitution method x+2y-3z + 4w =12 2x+2y-2z + 3w = 10 y+z=-1 x-y+z-2w =-4 w=

(1) Solve the following linear equations using substitution method x+2y-3z +

(1) Solve the following linear equations using substitution method x+2y-3z + 4w =12 2x+2y-2z + 3w = 10 y+z=-1 x-y+z-2w =-4 w=

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