When $x$ is placed next to a number, as in this expression, the number is being multiplied by $x$.

$5+(-3(3))$

Use the Order of Operations to simplify this expression.

$-4$

Replace $x$ in the expression with $\frac{1}{3}.$

$5+\left(-3\left(\frac{1}{3}\right)\right)$

Remember that a negative number multiplied by a negative number results in a positive number.