Answer:
4
Step-by-step explanation:
4m-4-8=-2m+12
4m-12=-2m+12
Add 2m on both sides:
4m+2m-12=-2m+2m+12
6m-12=12
Add 12 on both sides:
6m-12+12=12+12
6m=24
Divide:
m=4
Please see attached picture for full solution.
