Question

9целых 5/13-(7целых6/13-у)=2целых3/13

Answer 1

9 5/13-(7 6/13-у)=2 3/13
9 5/13-7 6/13+у=2 3/13
у=2 3/13+7 6/13-9 5/13
у=9 9/13-9 5/13
у=4/13