Question

solve for X and y 4/x+5y=7 and 3/y+4y=5​

Answer 1

Answer:

take 1/x=u and 1/y = v

4u+5v=7

3u+4v=5

multiply equation 1 by 3 and equation 2 by 4

12u+15v=21

12u+16v=20

-v=1

v=-1

u=3

Now,

1/x=u=3

x=1/3

1/y=v

y=-1

hope it helps u .

mark it as brainliest pls

Answer 2

Answer :

x = 1/3

y = 8/23

Step by step explanations:

Refer to the attachment.