svhdixon svhdixon

25-02-2015
Mathematics

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How to solve system graphically 4y = x + 8, x = 2/3y +2

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Panoyin Panoyin

26-02-2015

4y = x + 8
x = 2/3y + 2
4y = x + 8
2/3y = x + 2
3 1/3y =   8
3 1/3    3 1/3
      y = 2 2/5
4(2 2/5) = x + 8
   9 3/5 = x + 8
   -8 -8
   1 3/5 = x
   (x y) = (1 3/5, 3)

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