Question

13x+5y=36:5x+13y=36 find the value of x+y​

Answer 1

Answer:

simply multiply equation 1 to 5 and multiply equation 2 to 13 .

next you can subtract. you get value of x, y.

Answer 2

Step-by-step explanation:

13x+5y=36---------------

5x+13y=36----------------×13/5

13x+5y=36

13x+(169/5)y=468/5

-. -. -

-----------------------------------

-144y/(5)=-288/(5)

144y=288

y=2

put the value of y in equation (1)

13x+5y=36

13x+5×2=36

13x+10=36

13x=26

x=2

find (x+y)

2+2=4(answer)