Answer:
1247
Step-by-step explanation:
Thr answer is the slope.
y=5x-3
No slope
The points given are on the vertical line x = 8
vertical lines have an 'undefined' slope....no slope
-2x+3=x+12
combin like terms
-2x-x=12-3
-3x=9
x=9/-3
x=-3
