Answer:

Step-by-step explanation:
Given:


Substitution can be used to find the value of
:




Hope this helps :)
Answer:
I think 10
Step-by-step explanation:
Point slope form: y - y1 = m(x - x1)
Plug in the values
a) y + 4 = 5(x - 2)
b) y - 9 = -3/2(x + 2)
You got a picture or something?