Question

х-3/7=4/21 4/5-х=1/6 5/8-х=1/3 дроби

Answer 1

х - 3/7 = 4/21
х = 4/21 + 3/7
х = 4/21 + 9/21
х = 13/21

4/5 - х = 1/6
х = 4/5 - 1/6
х = 24/30 - 5/30
х = 19/30

5/8 - х = 1/3
х = 5/8 - 1/3
х = 15/24 - 8/24
х = 7/24 

Answer 2

спс