Question

please someone give answer of this two question it is urgent.​

Answer 1

Answer:

I think the second equation is 13x+12y=21

12x+13y=29 (eq. i)

13x+12y=21

(i)+(ii)

25x+25y=50

25(x+y)=50

x+y=50/2

x+y=2 (Ans.)