1 целая 3/14-у=2целых 7/10

Question

1 целая 3/14-у=2целых 7/10

Answer 1

1 ( 3/14 ) -  y = 2 ( 7/10 ) 
y = 1 ( 3/14 ) - 2 ( 7/10 ) 
y = 1 ( 15/70 ) - 2 ( 49/70 ) 
y = - 1 ( 34/70 )
y = - 1 ( 17/35