Respuesta :

renearaloe

Answer:

[tex]2 x + 5 = \\ 2x = - 5 \\ x = \frac{ - 5}{2} [/tex]

[tex]11 - 3x = \\ - 3x = - 11 \\ 11 = 3x \\ x = \frac{11}{3} [/tex]

[tex]x - 7 = \\ x = 7[/tex]

x²+4x=??