How do i solve this kind of problem

I uploaded the answer to a file hosting. Here's link:

cutt.ly/tz3yDpb

y=x-2

Step-by-step explanation:

to get -2 to -4 you would have to add -2

if we follow the pattern of subtracting 2 then you would see that -2 is b sense we are subtracting.

The m value doesn't have to change so we would leave the x how it is

The goal for this question is to find the pattern the numbers share though out the table.

215.92 dollars is the answer