Subtract 8 from both sides of the inequality: $\displaystyle{\left|{3}{s}-{4}\right|}\le-{3}\usepackage{cmbright}\Huge\$

If $\displaystyle{\left|{3}{s}-{4}\right|}\usepackage{cmbright}\Huge\$ is at most $\displaystyle-{3}\usepackage{cmbright}\Huge\$ , then it must be negative. However, an absolute value can never be a negative number, so there is no solution to the inequality.