Question

2x + 3y =0
3x + 4y =5

Answer 1

2x+3y= 0 ................(1) me 3 se multiple

3x+4y=5.................(2) me 2 se multiple

3(2x+3y)=0

2(3x+4y)=5

6x+9y=0 .............(3)

6x+8y=10............(4)

(3) me (4) ko minus krne se .......

y= -10 ko (1) m rakhne pr

2x+3(-10)=0

2x-30=0

2x=30

x= 30/2

x= 15

y=-10 ans.