Answer:
[tex]m=-4[/tex]
Step-by-step explanation:
Since the term 2m has a base of 2, we have to divide -8 by 2 to solve for m.
[tex]-8/2=-4[/tex]
Therefore, [tex]m=-4[/tex].
I hope this helps :) if so, brainliest would help me out a lot <3