Respuesta :

Answer:

11

Step-by-step explanation:

[tex] \frac{3}{4} = \frac{4 - 1}{x - 7} \\ \\ \frac{\cancel 3}{4} = \frac{\cancel 3}{x - 7} \\ \\ \frac{1}{4} = \frac{1}{x - 7} \\ \\ 4 = x - 7 \\ \\ 4 + 7 = x \\ \\ 11 = x \\ \\ x = 11[/tex]