Question

Решите систему уравнений

{x+3<4+2x

{5x-3<4x+1

Answer 1

$\left \{ {{x+3<4+2x} \atop {5x-3<4x+1}} \right.\; \; \left \{ {{-x<1} \atop {x<4}} \right.\; \; \left \{ {{x>-1} \atop {x<4}} \right.\; \; \Rightarrow \; \; \; -1<x<4\\\\x\in (-1,4)$

Answer 2

Ответ:

{x+3<4+2 x

{5x-3<4x+1

{x-2x<4-3

{5x-4x<1+3

{-x<1

{x<4

{x>-1

{x<4