oblicz układ:
2x+5y=26
3x-2y=1
6x+15y=78
-6x+4y=-2
-------------
19y=76
y=4
3x-8=1
x=3
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2x+5y=26
3x-2y=1
6x+15y=78
-6x+4y=-2
-------------
19y=76
y=4
3x-8=1
x=3
x=3
y=4