Question

if 2x +3y=13 and 3x +2y=12 then find then find x+y=?​

Answer 1

Answer:

2x= 13+3y

x=13+3y/2

3(13+3y/2)+2y=12

(39+9y)/2+2y=12

30+9y+4y=24

13y=24-30

y=6/13