Find the value of p, if x = 3 and y = -2 is a solution of the equation 2x + 5yp = 7.
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1/-10 is the value of p
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put the value of x and y in equation 2x+5yp=7 . 2*3+5*-2*p=7
6-10p=7
-10p=7-6
p=1/-10
p=-0.1
6-10p=7
-10p=7-6
p=1/-10
p=-0.1
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