3m - 3 ÷ 3
when m = 8
after substituting m = 8 into the expression
3(8) - 3 ÷ 3
which will give
24 - 3÷ 3
The step to have taken, using BODMAS is to divide 3 by 3 first which is "1"
Then subtract the 1 from 24
So the correct option is
C. subtracted (3÷3) from 24