Question

if 3x+5y=9 and 5x+3y =7 then find the value of x+y and x-y​

Answer 1

Answer:

x+y=2

x-y=-1

Step-by-step explanation:

First of all find out value of x by elimination and then substitute the value of x in equation 1 or 2.

After finding value of x and y add and subtract both and you will get value of x+y and x-y.