M= -2 because you divide both side by 7 to get m+5=3 then subtract 5 from both sides to get m=-2
5 0/1 think that it might help
24 * 2.25 = 54 boxes total
54*8 =432 crayons total
It is given that there are 41 males and 48 females in the small school.
So, the number of ways a male student can be chosen from 41 males is 
Likewise, the number of ways a female student can be chosen from 48 females is
.
Thus, the total number of ways in which 2-person combinations are possible to represent the student body at the PTSAC meetings will be given by:

The formula is base x height = volume so 6 x 4 = 24
I hope that helps