1.

The number added to the twice the rational number - 9 by 5 to get 1 by 7 is

Answer»

LET the number be X

According to question,

x + 2 (-9/5) = 1/7

=> x -18/5 = 1/7

=> x = 1/7 + 18/5 = (5+126)/35 = 131/35



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