Question

the problem reads out like this -3/5m= -45 there trying to find m

Answer 1

Look, it may be easy to see if m is in the numerator or in the denominator in your book, but it is not on the screen.
If it is
-3 m/5 = -45
then
m/5 = 15
m = 75

If it is
-3/(5m) = -45
then
1/5m = 15
45 m = 1
m = 1/45