Plzzzz help, I don't understand

Answer:
Hello!!! Princess Sakura here ^^
Step-by-step explanation:
Those angles are corresponding so they are congruent to each other so you should do....
[tex]4m+15=5m-10\\15=m-10\\25=m[/tex]
Therefore the answer is D.
Answer:
Step-by-step explanation:
5m - 10 = 4m + 15
m - 10 = 15
m = 25