Answer:
13
Step-by-step explanation:
200-187=13
Substitute:
<em>multiply both sides by 2</em>
<em>divide both sides by 13</em>
y=x+6
Step-by step
m = y2 - y1
-----------
x2 - x1
5 - 19 = -14
----------------
-9 - 5 -14
=1
b = y + x
= 5 + 1
= 6