Step-by-step explanation:
[tex] - 5n - 8(1 + 7n) = - 8 \\ 5n - 8 - 56n = - 8 \\ collecting \: like \: terms \: \\ 5n - 56n = - 8 + 8 \\ - 51n = 1 \\ n = \frac{1}{ - 51} \\ as \: 1 \: is \: consider \: as \: 0 \: \\ so \: answer \: is \: \\ n = - 51[/tex]
