uprostim virazhenie:
1/3 x +3/4 x -4/9 x=23/36 x.
a)pri x=1 13/23: (23/36)*1 13/23=(23/36)*(36/23)=1;
Otvet:1.
b)pri x=9/46: (23/36)*(9/46)=1/8;
Otvet: 1/8.
1/3х + 3/4х - 4/9х = 12/36х + 27/36х - 16/36х = 23/36х
При х = 36/23:
36/23 * 23/36 = 1.
При х = 9/46:
9/46 * 23/36 = 1/8.
ответ: 1; 1/8.
