Simplify -2(-x/2)

$- 2 (- \frac{x}{2})$

Cancel the common factor of $2$ .

Move the leading negative in $- \frac{x}{2}$ into the numerator.

$- 2 \frac{- x}{2}$

Factor $2$ out of $- 2$ .

$2 (- 1) \frac{- x}{2}$

Cancel the common factor.

$2 \cdot - 1 \frac{- x}{2}$

Rewrite the expression.

$- 1 (- x)$

Multiply.

Multiply $- 1$ by $- 1$ .

$1 x$

Multiply $x$ by $1$ .

$x$