Answer: 4m
Step-by-step explanation:
1/4(8m-4n)+1/3(6m+3n) given
2m-1n+2m+1n distribute (1n is just n)
4m-n+n add 2m and 2m (add like terms)
4m the n's cancel out and leave 4m (add like terms)
Hope this helps!
