17-x/25-x=31-x/47-x
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Step-by-step explanation:
assume that x is subtracted from each of the number 17-x, 25-x, 31-x, 47-x are in proportion (17-x)/ (25-x )= (31-x)/ (47-x) (17-x) (47-x)
= (25-x) (31-x) 799-17x-47x+x2 = 775-25x-31x+x2-64x+799 = -56x+775 8x = 24
x=3
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