Question

розв'язати систему нерівностей {5х-7>8 {2х+1<3​

Answer 1

$\displaystyle\bf\\\left \{ {{5x-7 > 8} \atop {2x+1 < 3}} \right. \\\\\\\left \{ {{5x > 8+7} \atop {2x < 3-1}} \right. \\\\\\\left \{ {{5x > 15} \atop {2x < 2}} \right. \\\\\\\left \{ {{x > 3} \atop {x < 1}} \right.$

Ответ  :  решений нет