Question

The sum of two numbers is -4 and their difference is zero. Find the numbers.

Answer 1

Step-by-step explanation:

x + y = -4

x - y = 0

adding both we get, 2x = -4 => x = -2

-2 + y = -4

y = -4 + 2 => y = -2

therefore x = -2 and y = -2

Answer 2

Answer:

see the attached document for the steps