ANSWER
[tex]-32[/tex]EXPLANATION
We want to solve the given expression for x = -18:
[tex]\frac{5x}{3}-2[/tex]To do this, substitute the given value of x into the expression and simplify. That is:
[tex]\begin{gathered} \frac{5(-18)}{3}-2 \\ \frac{-90}{3}-2 \\ -30-2 \\ \Rightarrow-32 \end{gathered}[/tex]That is the answer.