x/y - искомая дробь,
2x/(y-2) = 2,
(x-4)/(4y) = 1/12;
x=y-2,
3x-12=y,
3y-18=y,
2y=18,
y=9,
x=7.
7/9.
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Verified answer
x/y - искомая дробь,
2x/(y-2) = 2,
(x-4)/(4y) = 1/12;
x=y-2,
3x-12=y,
3y-18=y,
2y=18,
y=9,
x=7.
7/9.