$$2(x-1)+4(x-3)=1$$
$x = \frac{5}{2} = 2\frac{1}{2} = 2.5$
$$2x-2+4\left(x-3\right)=1$$
$$2x-2+4x-12=1$$
$$6x-2-12=1$$
$$6x-14=1$$
$$6x=1+14$$
$$6x=15$$
$$x=\frac{15}{6}$$
$$x=\frac{5}{2}$$
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