Question

Two numbers, x and y, when added together equal 9 and equal -5 when subtracted.

Answer 1

x=2 and y=7

Explanation:

Let x and be the unknown numbers.

By the condition given in the question the first equation is

x+y=9

And the second equation is

x-y=-5

By solving the first and second equations,we get the answer as

x=2 and y=7