Answer:
126
Step-by-step explanation:
A line is 180 degrees. I found the degree of the angles in-between 126 and M by subtracting 126 from 180. This means that M is also 126. (Plus the intersecting lines are parallel)
 
        
             
        
        
        
Answer:
Step-by-step explanation:
First distribute. -2•x and -2•3 
This will give you y-4=-2x+-6
(You could also write it y-4=-2x-6)
Then add 4 to both sides.
y=-2x-2