Question

решите систему неравенств {5х-3≥1-3х
{2х+7≥16х+14

Answer 1

{5х-3≥1-3х
{2х+7≥16х+14

{5x+3x≥1+3
{16x-2x≤7-14

{8x≥4
{14x≤-7

{x≥0.5
{x≤-0.5
ответ ∅

Answer 2

{5х - 3 ≥ 1 - 3х
{5х + 3х ≥ 1 + 3
{8х ≥ 4
{х ≥ 1/2

{2х + 7 ≥ 16х + 14
{2х - 16х ≥ 14 - 7
{ - 14х ≥ 7
{х ≤ - 1/2