1.

3x+5y _ Tx-5y 3

Answer»

3 ( 3x + 5y) = 7 ( 3x - 5y)

9x + 15y = 21x - 35y

35y + 15y = 21x - 9x

50y = 12x

x/y = 12/50

x/y = 6/25



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