Question

Решите систему неравенств

Answer 1

$left { {{2(y-2) geq 3y+1,} atop {5(y+1) leq 4y+3;}} right. left { {{2y-4 geq 3y+1,} atop {5y+5 leq 4y+3;}} right. left { {{2y-3y geq 1+4,} atop {5y-4y leq 3-1;}} right. left { {{-y geq 5,} atop {y leq 2;}} right. left { {{y leq -5,} atop {y leq 2;}} right. \ y leq -5; \ yin(-infty;-5].$