plz sove it is urgent
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parmeshwari7:
I think the answer must be 49/9
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3/x - 2/y = 0
2/x + 5/y = 19
Let 1/x = u and 1/y = v
So, we get, 3u - 2v = 0,
Or, 3u = 2v
or, u = 2v/3 -------------(1)
Putting the value of u in equation 2
2u + 5v = 19 -------------(2)
2 (2v/3) + 5v = 19
4v/3 + 5v = 19
4v + 15v = 57
19v = 57
v = 57/19
v = 3
Putting the value of v in 1
Or, u = 2v/3
or, u = 2(3) / 3
or, u = 2
Hence we got u = 2 and v = 3
So, x = 1/2 and y = 1/3
Now putting the values of x and y in equation below
px + 3 = y
p/2 + 3 = 1/3
p/2 = 1/3 - 3
p/2 = (1-9)/3
p/2 = -8/3
p = -16/3
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2
Hope it is helpful
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