Question

Determinati nr nat x , astfel incat:3x+0,75_<1,2×5-2,4..... ajutor pls ..

Answer 1

$3x + 0.75 \leqslant 1.2 \times 5 - 2.4$

$3x + 0.75 \leqslant 6 - 2.4$

$3x \leqslant 6 - 2.4 - 0.75$

$3x \leqslant 2.85$

$x \leqslant 2.85 \div 3$

$x \leqslant 0.95$

$x \: \in \: \mathbb{N} = > x = 0$