2x-3y=5
x+y=0|razy -3
-3x-3y=0
-x=5 podzielic 1
x=-5
-5 razy2x-3y=5
-10-3y=5
-3y=10+5
-3y=15 podzielic -3
y=-5
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2x-3y=5
x+y=0|razy -3
2x-3y=5
-3x-3y=0
-x=5 podzielic 1
x=-5
2x-3y=5
-5 razy2x-3y=5
-10-3y=5
-3y=10+5
-3y=15 podzielic -3
y=-5
x=-5
y=-5