Решите уравнение 17. 9 Х-5 60= 7 20. 5. 4 9 36-х= 2 9
Х - 5/60 = 7/20 х = 7/20 + 5/60 х = 21/60 + 5/60 х = 26/60 = 13/30 х = 13/30 ------------------------------- 9/36 - х = 2/9 х = 9/36 - 2/9 х = 9/36 - 8/36 х = 1/36