m=(2xw)-6
Explanation:
Let the number of women in the committee be
.
Let the number of men in the committee be
.
Since it is given that the number of men are 6 less than twice the number of women,
Twice the number of women is

Twice the number less six is

Since it is given that the committee has a total of 45 members,
the total number of men and women is 45.
So,

using (i) and (ii),


