Answer:
p = <u>T</u> - a - <u>b</u>
Step-by-step explanation:
Hope that helps, not sure if it is correct though.
You need to simplify it first.

Use distribution

y=mx+b
m=slope
your slope is -4 :)
Answer: 
Step-by-step explanation:
Given :

add 2 to both sides

Therefore :

