Odpowiedzi

2010-02-02T15:22:49+01:00
3x+y=-1/ * (-3)
4x+3y=2

-9x - 3y = 3
4x + 3y = 2

-5x = 5 / : (-5)
x = -1
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x = -1
3x + y = -1

x = -1
-3 + y = - 1

x = -1
y = 2