Question

x+8= -5
7/8x= -1 5/10​

Answer 1

1)

$x + 8 = - 5 \\ x = - 5 - 8 \\ x = - 13$

2)

$\frac{7}{8} x = - 1 \frac{5}{10} \\ \frac{7}{8} x = - \frac{3}{2} \\ x = - \frac{12}{7}$