22/X+Y + 15/X-Y = 5 55/X+Y + 45/X-Y = 14

Asked by mukhilanp mukhi | 19th Mar, 2012, 08:41: PM

Expert Answer:

Taking 1/(x+y)=a and 1/(x-y)=b, the equations become:
22a+15b=5 and 55a+45b=14
Solving we get a=1/11 and b=1/5
=> x+y =11 ;x-y=5
Solving these two equations we get x=8 ;y=3

Answered by  | 19th Mar, 2012, 11:45: PM

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