Question

$\frac{4}{5} = \frac{x + 1}{x - 6}$

Answer 1

$\frac{4}{5} = \frac{x + 1}{x - 6} \\ \\ 4(x - 6) = 5(x + 1) \\ \\ 4x - 24 = 5x + 5 \\ \\ 4x - 5x = 5 + 24 \\ \\ x = - 29$