$$\frac { x - 3 } { 2 } = \frac { 2 x + 4 } { 5 }$$
$x=23$
$$5\left(x-3\right)=2\left(2x+4\right)$$
$$5x-15=2\left(2x+4\right)$$
$$5x-15=4x+8$$
$$5x-15-4x=8$$
$$x-15=8$$
$$x=8+15$$
$$x=23$$
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