3 years ago

Solve each system of equation Y=-3x+5 5x-4y=-3

1 answer:

6 0

Y = -3x + 5
5x - 4y = -3

   5x - 4(-3x + 5) = -3
5x + 4(3x) - 4(5) = -3
   5x + 12x - 20 = -3
   17x - 20 = -3
   + 20 + 20
      17x = 17
   17    17
      x = 1
      y = -3x + 5
      y = -3(1) + 5
      y = -3 + 5
      y = 2
      (x, y) = (1, 2)

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