$$2( \frac{ 27 }{ 42 } )+3y=2$$
$y=\frac{5}{21}\approx 0.238095238$
$$2\times \frac{9}{14}+3y=2$$
$$\frac{2\times 9}{14}+3y=2$$
$$\frac{18}{14}+3y=2$$
$$\frac{9}{7}+3y=2$$
$$3y=2-\frac{9}{7}$$
$$3y=\frac{14}{7}-\frac{9}{7}$$
$$3y=\frac{14-9}{7}$$
$$3y=\frac{5}{7}$$
$$y=\frac{\frac{5}{7}}{3}$$
$$y=\frac{5}{7\times 3}$$
$$y=\frac{5}{21}$$
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