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14-09-2015
Mathematics

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graph linear system and estimate the solution y=5x + 2 y=3x

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Panoyin Panoyin

14-09-2015

y = 5x + 2
y = 3x

5x + 2 = 3x
- 5x - 5x
      2 = -2x
   -2 - 2
       -1 = x
y = 3x
y = 3(-1)
y = -3
(x, y) = (-1, -3)

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