Explanation:
The easiest way to do this is to make use of the 2-point form of the equation for a line. For points (x₁, y₁) and (x₂, y₂), the equation is ...

Filling in your given points, the equation becomes ...

After you fill in the values, it is a matter of simplifying the resulting equation.

I think the boxes must be filled with
1/3 and -1/5.
Answer:
x=20
Step-by-step explanation: