5-y/4=3/7
у/4=5-3/7
у/4=32/7
у=32/7:4
у=8/7
у=1 1/7
(5-y)°7=4°3
35-7y=12
-7y=12-35
-7y=-23
y= -23/-7
y=3 целых и 2/7
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5-y/4=3/7
у/4=5-3/7
у/4=32/7
у=32/7:4
у=8/7
у=1 1/7
(5-y)°7=4°3
35-7y=12
-7y=12-35
-7y=-23
y= -23/-7
y=3 целых и 2/7