Răspuns :
[tex] \dfrac{2x + 1}{5} \\ \\ \\ 2x + 1 = 5 \\ \\ 2 x = 5 - 1 \\ \\ 2x = 4 \\ \\ x = 4 \div 2 \\ \\ x = 2 \\ \\ {x}^{3} = {2}^{3} = 8[/tex]
[tex] = > 2x + 1 = 5[/tex]
[tex]2x = 5 - 1[/tex]
[tex]2x = 4[/tex]
[tex]x = \frac{4}{2} [/tex]
[tex]x = 2[/tex]
[tex] {x}^{2} = {2}^{3} = 8[/tex]
[tex]2x = 5 - 1[/tex]
[tex]2x = 4[/tex]
[tex]x = \frac{4}{2} [/tex]
[tex]x = 2[/tex]
[tex] {x}^{2} = {2}^{3} = 8[/tex]
