$$\left. \begin{array} { l } { 2 x = 2 - 2 \frac { 1 } { 2 } + \frac { 1 } { 2 } x = 3 x = 5 x } \\ { x ( x ^ { 2 } - 6 x + 18 ) = 2 x } \end{array} \right.$$
$x=-\frac{1}{3}\approx -0.333333333$
$$4x=4-\left(2\times 2+1\right)+1x$$
$$4x=4-\left(4+1\right)+1x$$
$$4x=4-5+1x$$
$$4x=-1+1x$$
$$4x-x=-1$$
$$3x=-1$$
$$x=\frac{-1}{3}$$
$$x=-\frac{1}{3}$$
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