Răspuns :
[tex]2x - 5 = 0[/tex]
[tex]2x = 0 + 5[/tex]
[tex]2x = 5[/tex]
[tex]x = \frac{5}{2} [/tex]
[tex]x = 2.5 \: \in\:\mathbb{R}[/tex]
[tex]2x = 0 + 5[/tex]
[tex]2x = 5[/tex]
[tex]x = \frac{5}{2} [/tex]
[tex]x = 2.5 \: \in\:\mathbb{R}[/tex]