We need first to replace the value of m
[tex]1+(-\frac{2}{3})-(-\frac{9}{2})[/tex]
and then apply the sign rules
[tex]\begin{gathered} 1+(-\frac{2}{3})-(-\frac{9}{2})=1-\frac{2}{3}+\frac{9}{2} \\ =\frac{6-4+27}{6} \\ =\frac{29}{6} \\ \end{gathered}[/tex]
then the answer is 29/6.
