-5 =(8m+12)/4
multiply each side by 4
-20 = 8m + 12
subtract each side by 12
-32 = 8m
Divide each side by 8
-4 = m
Answer:this is the answer
Step-by-step explanation:
Two 12-Hour Periods The 12-hour system divides the 24 hours of a day into two periods lasting 12 hours each. The first 12-hour period is designated as am. It runs from midnight to noon. The second period, marked pm, covers the 12 hours from noon to midnight.
I think its 40 over 81, 40/81