there are two groups of 3 man and 4 man. I am in both of these groups. In how many groups I will remain if these two groups add up together?

there are two groups of 3 man and 4 man. I am in both of these groups. In how many groups I will remain if these two groups add up together?

Calculate all combinations of adding (1+1) up X number of columns where one column is always constant

Lets say i have a data table that looks like this: