Question

розв'яжіть систему нерівностей​

Answer 1

Ответ:

$\left \{ {{5(2x-1)+3 > 2(2x-1)+7x} \atop {6(1-x)+2\geq3(x+1)-7x }} \right. = > \left \{ {{10x-5+3 > 4x-2+7x} \atop {6-6x+2\geq 3x+3-7x}} \right. = > \left \{ {{10x-4x-7x > 5-3-2} \atop {-6x-3x+7x\geq 3-6-2}} \right. = > \left \{ {{-x > 0} \atop {-2x\geq-5 }} \right. = > \left \{ {{x < 0} \atop {x\geq 2.5}} \right.$