macywecker6696 macywecker6696
  • 29-04-2024
  • Mathematics
Answered

In each of the following sets of three equations, show that the third equation equals the second equation minus some multiple of the first equation: (c) = (b) - r(a) for some r.
(a) x + 2y = 4
(b) 3x + y = 9
(c) x - 3y = 1



Answer :

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