Respuesta:
[tex]e) \: \: \: \\ 2 (x - 1) = {4}^{2} \\ 2x - 2 = 16 \\ 2x = 16 + 2 \\ 2x = 18 \\ x = 9[/tex]
[tex]f) \\ 10 + ( \frac{x}{5 - 9} ) = \sqrt{49} \\ 10 + ( \frac{x}{ - 4} ) = 7 \\ 10 - \frac{x}{4} = 7 \\ 10 - 7 = \frac{x}{4} \\ 3 = \frac{x}{4} \\ 12 = x [/tex]
