$$\frac{ 4x }{ 5 } + \frac{ 3 }{ 4 } = \frac{ x }{ 2 } - \frac{ 1 }{ 3 }$$
$x = -\frac{65}{18} = -3\frac{11}{18} \approx -3.611111111$
$$12\times 4x+45=30x-20$$
$$48x+45=30x-20$$
$$48x+45-30x=-20$$
$$18x+45=-20$$
$$18x=-20-45$$
$$18x=-65$$
$$x=\frac{-65}{18}$$
$$x=-\frac{65}{18}$$
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