Question

Find two numbers a+b is -4 and difference a-b is 4 what's your answer

Answer 1

a=0, b=-4

Explanation:

a+b=-4.....(1)

a-b=4.......(2)

(1)+(2): 2a=0

a=0

0+b=-4

b=-4

(a, b) =(0,-4)