Question

Ex 4 si 3 repede va rog​

Answer 1

Explicație pas cu pas:

3. c) 90

15×6=90

4. a) Traian

$- 5 < \dfrac{3x - 5}{4} < 1 \ \ \Big|\cdot 4$

$- 20 < 3x - 5 < 4 \ \ \Big|+5$

$- 15 < 3x < 9 \ \ \Big|: 3$

$- 5 < x < 3 \implies x \in (-5;3)$