what is 2x-3y=-2 and 4x+y=24

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12-03-2015
Mathematics

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what is 2x-3y=-2 and 4x+y=24

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Panoyin Panoyin · Answer 1 · 2015-03-12T23:53:18+01:00

2x - 3y = -2 ⇒ 4x - 6y = -4
4x + y = 24 ⇒ 4x + y = 24
      -7y = -28
   -7 -7
   y = 4
   2x - 3(4) = -2
   2x - 12 = -2
      +12 +12
      2x = 12
   2 2
   x = 6
   (x, y) = (6, 4)