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x+y=-3/×(-4)
4x-3y=-26
-4x-4y=12
-7y=-14/÷(-7)
y=2
x+2=-3
y=2
x=-3-2
y=2
x=-5
y=2
3 x + 3 y = - 9
Czyli 7 x = - 33
x = - 7/33
y = - 3 i 7/33