Знайдiть корiнь рiвняння 5/12 + (x-3/20)=1 4/15

5/12 + ( х - 3/20 ) = 1 4/15х - 3/20 = 1 4/15 - 5/12х - 3/20 = 19/15 - 5/12х - 3/20 = 76/60 - 25/60х - 3/20 = 51/60х - 3/20 = 17/20х = 17/20 + 3/20х = 20/20х = 1