$$\left. \begin{array} { l } { \quad 3 ( k - 3 ) = 5 ( 2 k - 1 ) } \end{array} \right.$$
$k=-\frac{4}{7}\approx -0.571428571$
$$3k-9=5\left(2k-1\right)$$
$$3k-9=10k-5$$
$$3k-9-10k=-5$$
$$-7k-9=-5$$
$$-7k=-5+9$$
$$-7k=4$$
$$k=\frac{4}{-7}$$
$$k=-\frac{4}{7}$$
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