Question

if x=a,y=b is the solution of the equation x-y=2and x+y=4 then the value of a and b respectively

Answer 1

x=a,y=b
a-b=2     (1 equation)
a+b=4    (2 equation)
Add 1 and 2
a-b=2
a+b=4
__________
2a=6
a=3
Put the value of "a" in equation 1
a-b=2
3-b=2
-b=2-3
b=1

Answer 2

heya !!

refer to the attachment provided.

hope it helps u..