Odpowiedź:
[tex]\left \{ {{2x+y = -3} \atop {4x + 3y = -1}} \right.[/tex]
[tex]\left \{ {{y=-3 - 2x} \atop {4x + 3 * (-3 -2x) = -1}} \right.[/tex]
[tex]4x -9 -6x = -1\\-2x = 8\\x = -4[/tex]
[tex]y = -3 + 2 * 4 = 5[/tex]
y = 5
