Solve each system of equations using elementary operations. a. (i) x + y + z = 0 (ii) x - y = 1 (iii) y - z =

Question

Solve each system of equations using elementary operations.
a. (i) x + y + z = 0
   (ii)        x - y = 1
   (iii)       y - z = -5
d.(i) x/3+y/4+z/5=14
   (ii) x/4+y/5+z/3=-21
  (iii)x/5+y/3+z/4=7

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