$$\frac{5a+20}{6a}+\frac{1}{9}=\frac{3}{2a}$$
$a = -\frac{33}{17} = -1\frac{16}{17} \approx -1.941176471$
$$3\left(5a+20\right)+18a\times \frac{1}{9}=9\times 3$$
$$15a+60+18a\times \frac{1}{9}=9\times 3$$
$$15a+60+2a=9\times 3$$
$$17a+60=9\times 3$$
$$17a+60=27$$
$$17a=27-60$$
$$17a=-33$$
$$a=\frac{-33}{17}$$
$$a=-\frac{33}{17}$$
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