Question

срочно!помогите,пожалуйста

Answer 1

$left { {{t-1 textless 2+3t} atop {5t-7 textless t+9}} right. left { {{2t textgreater -3} atop {4t textless 16}} right. left { {{t textgreater -3/2} atop {t textless 4}} right.$
 Ответ(-1.5;4)