solution :-
3m+2(m+2)=20-(2m-5)
=> 3m + (2m + 4) = 20 - (2m -5)
=> 5m + 4 = 20 -2m +5
=> 5m + 2m = 25 -4
=> 7m = 21
=> m = 3 answer
6.0m questions
7.8m answers