12 целых 7/23- ( 6 целых 18/23-t) = 3 целых 21/23+ 5 целых 19/23

Question

12 целых 7/23- ( 6 целых 18/23-t) = 3 целых 21/23+ 5 целых 19/23

Answer 1

12 7/23 - (6 18/23 - t) = 3 21/23 + 5 19/23

12 7/23 - 6 18/23 + t = 8 40/23

t = 8 40/23 - 12 7/23 + 6 18/23

t= 2 51/23 = 4 5/23