Question

if 3/x +4/y =18 , 5/x+ 6/y=28 ,then (x-y) =.

options :
a) 5/6
b) 3/7
c) 9/4
d) 1/6
( ans it step by step )
plzz . ​

Answer 1

Answer is attached above

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Answer 2

Answer:

• x+y = 6, therefore y = 6-x. Now you simply take the second equation, which is 3x-y = 4