Rozwiąż układ równań
6x-2y=9
3x+y-4,5=0
3x+y=4,5|*2
6x+2y=9
___________
6x-2y+6x+2y=9+9
12x=18|:12
x=1,5
6*1,5-2y=9
9-2y=9
-2y=0|:(-2)
y=0
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6x-2y=9
3x+y-4,5=0
6x-2y=9
3x+y=4,5|*2
6x-2y=9
6x+2y=9
___________
6x-2y+6x+2y=9+9
12x=18|:12
x=1,5
6x-2y=9
6*1,5-2y=9
9-2y=9
-2y=0|:(-2)
y=0