Question

solve the equation 2/x+3/y=13,5/x-4/y=-2​

Answer 1

Answer:

Explanation:

let 1/x=p

1/y=q

2p+3q=13

5p-4q=-2           q=(-2-5p)/-4        q=(2+5p)/4------------------1

2p+3(2+5p)/4=13

2p+(6+15p)/4=13

(8p+6+15p)/4=13

23p+6=52

23p=46

p=2

therefore x=1/2

from 1

y=1/3

hpoe it helps