The equation of the line passing throught the points
and
has a form

Now the equation of the line passing through points (0, 3) and (−5, 2.5) is

Simplify it:

This equation is in slope-intercept form.
Answer: y=0.1x+3.
Step-by-step explanation:
∠4 = ∠1 & ∠2 = ∠3
360 - 2(98) = ∠2 + ∠3
∠3 = 164/2
∠3 = 82°