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2010-02-11T20:39:59+01:00
2/3y + 3/4x = y + 5x / * 12
1/2y - 2/3x = 3y - 2x / * 6

8y + 9x = 12y + 60x
3y - 4x = 18y - 12x

-4y - 51x = 0 / * (-15)
-15y + 8x = 0 / * 4


60y + 765x = 0
-60y + 32x = 0
--------------------
797x = 0
x = 0

x = 0
-4y - 51x = 0

x = 0
-4y - 51*0 = 0

x = 0
-4y = 0

x = 0
y = 0