Solve the system of equations by graphing. 2x+y=6. x+2y=6

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18-06-2015
Mathematics

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Solve the system of equations by graphing. 2x+y=6. x+2y=6

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Panoyin Panoyin · Answer 1 · 2015-06-18T01:14:27+02:00

2x + 1y = 6 ⇒ 4x + 2y = 12
1x + 2y = 6 ⇒ 1x + 2y =   6
   3x = 6
      3    3
   x = 2
   2x + y = 6
   2(2) + y = 6
   4 + y = 6
   - 4    - 4
   y = 2
   (x, y) = (2, 2)