Question

The value of y in x+ y = 5 and x-y = 5 :
(A) 1 (B) 0 (C) 10 (D) 2

Answer 1

The value of y is 0

I hope it helps you

Answer 2

Answer:

x-y=5

x=5+y. -(1)

x+y=5

from (1)

5+y+y=5

y=0