[tex]\displaystyle\bf\\0,75\Big(\frac{1}{6} |x|-\frac{1}{3} \Big)=3|x|-11,5\\\\\\0,125|x|-0,25=3|x|-11,5\\\\\\0,125|x|-3|x|=0,25-11,5\\\\\\-2,875|x|=-11,25\\\\\\|x|=\frac{90}{23} =3\frac{21}{23} \\\\\\x_{1} =-3\frac{21}{23} \ \ \ ; \ \ \ x_{2} =3\frac{21}{23}[/tex]