Odpowiedzi

2010-01-31T18:49:12+01:00
3x-2/3 - 2x+y/6 = x+ 1/6 *6
x+y - -x+y/5 = 1/5 - 0,8x *10
6x-9-2x-y=6x+1
10x+10y+2x-2y=2-8x
-2x=10
20x+8y=2
2x=-10
-200+8y=2
2x=-10
8y=202
x=-5
y=25,25
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