8 - y = y + 2;
y + y = 8 - 2;
2y = 6;
y = 6/2;
y = 3;
1 4/9-2 5/18=
=13/9-41/18=
=26/18-41/18=
=(26-41)/18=
=-15/18=
=-5/6
Ответ:-5/6
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