Verified answer

matemática de intervalos

2 < 5 x - 3 < 7

2 + 3 < 5 x < 7 + 3

5 < 5 x < 10

1 < x < 2

**************

3 < 3 x < 6

3 + 5 < 3 x + 5 < 6 + 5

8 < 3 x + 5 < 11

Intervalo

<8 , 11>

<7;2>? :V