Question

57/x+y + 6/x-y =5
38/x+y + 21/x-y = 9
Solve for x and y
using substitution
method or elimination method
​

Answer 1

Answer:

x = 11, y = 8.

Step-by-step explanation:

Heya,

Let 1/(x + y) = u.

and 1/(x - y) = v.

So 57u + 6v = 5.

38u + 21v = 9.

Thus On Solving That,

u = 1/19 , v = 1/3.

so, x + y = 19 , x - y = 3

Ans:- x = 11 and y = 8

Hope It Helps You.