Rozwiąż układy:
a) b)
c)
a)2x-3y=2
2x+y=1/razy3
2x-3y=2
6x+3y=3
2x-3y+6x+3y=2+3
8x=5/8
x=5/8
b)
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a)2x-3y=2
2x+y=1/razy3
2x-3y=2
6x+3y=3
2x-3y+6x+3y=2+3
8x=5/8
x=5/8
b)