Question

Solve the following 4/x + 3/y = 1 ; 8/x - 9/y = 7​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

x=1/2, y=1

Step-by-step explanation:

4/x+3/y=18

8/x+9/y=7

let 1/x=a

than 4a+3b=18

8a-9b=7

1*2than 8a+6b=18

8a-9b=7

by solving b=1

a=2

so x=1/2

y=1