Respuesta :

2x+y>-4,     2*5-12=10-12= - 2, -2 > -4 (5, -12) matched,  2*0 + 1= 1> - 4,  (0,1) matched, 2*-1 + (-1) = -3 > -4, (-1,-1) matched, the solutions are (5, -12) ,  (0,1)  and (-1,-1), if the question is 2x+y>-4,