Question

answer the following question
step by step.....​

Answer 1

here is the answer hope its right

Answer 2

hey first add the following simultaneous equation you will get the terms x and y, x + Y and then again subtract the following simultaneous equation you will get the x -y then add the X + Y and x minus y and you will get the extreme and then as against of track the X + Y and x minus y you will get the item and that will be your solution