4/x + 5/y = 7
And
3/x +4/y = 5
Answers
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Step-by-step explanation:
4y+5x=7xy
=>4y+5x-7xy
3y+4x-5xy=0
by elimination method
4y+5x-7xy-3y-4x+5xy=0
=>y+x-2xy=0
=>x+y-2xy=0
i hope it's helpful..
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