A= negative seven because inverse operations of 5 so yeah
It's difficult to answer this question without seeing the "indicated operations" the form a+bi is a standard form for imaginary numbers so you might see 2+3i, you can add this to say 4+5i by adding the real numbers (2+4) and the imaginary numbers (3+5) to get 6+8i. Hope that helps.
=40n. all you have to do is follow pemdas since they are all like terms
