Question

IF
12x + 13y
= 29_and 13x+_12y = 21find the value of x+y
ety​

Answer 1

Here is ur answer.........

Answer 2

12x + 13y = 29---------(1)

13x + 12y =21------------(2)

Add (1)+(2),

25x+25y =50

x=1

y=1

x+y=2