CBSE Class 10 Answered
Solve for x and y:
xy-6y+6=0;3xy-5y-8=0
Asked by Anjali Sahu | 28 May, 2013, 01:34: PM
Expert Answer
xy-6y+6=0;3xy-5y-8=0
Let xy = u
Hence, u-6y+6=0;3u-5y-8=0
Multiply the first equation by 3
3u - 18y + 18 = 0
And subtract it from the second equation above
13y -26 = 0
y = 2
Substituting the value of y in first equation
u = 6
xy = 6
x = 3
Answered by | 28 May, 2013, 05:02: PM
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