$$14 x + 6 x - 2 = 34$$
$x = \frac{9}{5} = 1\frac{4}{5} = 1.8$
$$20x-2=34$$
$$20x=34+2$$
$$20x=36$$
$$x=\frac{36}{20}$$
$$x=\frac{9}{5}$$
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