Step-by-step explanation:

Vertical angles are always congruent, or of equal measure.
Vertical angle is equal to given angle. Answer is:(2x+11)
Divide by 50 then divide by ten then just add that to 68 the divide by 5
Answer M=-2
Because when it’s negative it’s going from left to right and when it is to that means 2 up 1 to the right