Question

If 12x + 3y = 29 and 13x +2y= 21 then the
value of x+y is ? ______

option:
(1) 25
(2) 1
(3) 2
(4)50​

Answer 1

Step-by-step explanation:

The given equation are

12x+13y =29 -----i

13x+12y=21-------ii

add I and II we get

12x + 13y =29

13x+12y=21

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

25x+25y=50

25(x+y) =50

x+y=2

my friend

hope it will help u