Question

{2x + 7 > 1,
{x-3 <1;​

Answer 1

Ответ:

{2x+7 >1

{x - 3<1

{2x > 1 - 7

{x < 1 + 3

{x > (- 6)/2

{x < 4

{ x> - 3

{ x< 4

x∈ (-3;4)