5х+13≤0 х+5≥1 система
5х+13≤0 5х≤-13 х≤-2,6 х+5≥1 ; х≥-4 ; х≥-4 ///////////////////////////////////////////////-2,6 ---------------●---------------------------------●------------> -4 \\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\ Ответ: х∈[-4;-2,6]