rozwiąż układ rownań:
3|x|+2y=1
2x-|y|=3
3x+2y=1 2x-y=3
2x-y=3/*2 2-y=3
-y=1
3x+2y=1 y=-1
4x-2y=6
7x=7/:7
x=1
y=-1
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3x+2y=1 2x-y=3
2x-y=3/*2 2-y=3
-y=1
3x+2y=1 y=-1
4x-2y=6
7x=7/:7
x=1
x=1
y=-1