AJUTOOOOOOOOORRRR
3- 1-x supra 4 >sau egal x-1 supra 4


Răspuns :

[tex]3-\dfrac{1-x}{4}\geq x-\dfrac{1}{4}|\cdot 4\\ 12-1+x\geq4x-1\\ 3x\leq 12\\ x\leq 4\\ \text{Cum }x\in \mathbb{N}\Rightarrow x\in \{0,1,2,3,4\}[/tex]