$$4 ( 2 x - 9 ) - 3 ( x + 5 ) = 7$$
$x = \frac{58}{5} = 11\frac{3}{5} = 11.6$
$$8x-36-3\left(x+5\right)=7$$
$$8x-36-3x-15=7$$
$$5x-36-15=7$$
$$5x-51=7$$
$$5x=7+51$$
$$5x=58$$
$$x=\frac{58}{5}$$
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