Question

please solve the problem​

Answer 1

Answer:

3. x + y = 13—(i)

x – y = 17—(ii)

_____________

2x = 30

x = 30/2

x = 15

Sub. the value of x in eq. i

x + y = 13

15 + y= 13

y = 13 - 15

y = -2