1) Х - 7 8/11 =2 5/11
Х =2 5/11 + 7 8/11
Х =10 2/11
10 2/ 11 - 7 8/11=2 5/11
2) 3 7/17 -(Х + 1 4/17) =1 9/17
Х+ 1 4/17 = 3 7/17 - 1 9/17
Х + 1 4/17 = 1 15/17
Х = 1 15/17 - 1 4/17
Х =11/17
3 7/17- (11/17 +1 4/17 = 1 9/17
1) Х - 7 8/11 =2 5/11
Х =2 5/11 + 7 8/11
Х =10 2/11
10 2/ 11 - 7 8/11=2 5/11
2) 3 7/17 -(Х + 1 4/17) =1 9/17
Х+ 1 4/17 = 3 7/17 - 1 9/17
Х + 1 4/17 = 1 15/17
Х = 1 15/17 - 1 4/17
Х =11/17
3 7/17- (11/17 +1 4/17 = 1 9/17