Răspuns :
[tex]2x + 2 = 6[/tex]
[tex]2x = 6 - 2[/tex]
[tex]2x = 4[/tex]
[tex]x = 4 \div 2[/tex]
[tex]x = 2 \: \in \: \mathbb{R}[/tex]
[tex]2x = 6 - 2[/tex]
[tex]2x = 4[/tex]
[tex]x = 4 \div 2[/tex]
[tex]x = 2 \: \in \: \mathbb{R}[/tex]