For dark line
Slope
Equation in point slope form
Put (0,0)
As line is dark sign is ≤
The inequality
For dashed line
Equation in intercept form
Put (0,0)
Symbol is >
Inequality is
The answer of 74 divided by 8 hope this helps
Probably you are supposed to compute

Factorize the numerator and denominator, then simplify: