(Х-21/31)+14/31= 25/31

Question

(Х-21/31)+14/31= 25/31

Answer 1

( Х - 21/31 ) + 14/31 = 25/31
 Х - 21/31 = 25/31 - 14/31
 Х - 21/31 = 11/31
 Х = 11/31 +21/31
  Х = 32/31 или 1 1/31
 проверяем: ( 32/31 - 21/31 ) + 14/31 = 25/31  всё верно

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