Add (2-6i) + (3-i) how do i do this

Add the like terms. You have two whole numbers, 2 and 3, which makes 5. You also have 6i and i, but they're both being subtracted, which make 5-7i (6i=i+i+i+i+i+i, plus i is 7)

5 + 7i that is the answer