Evaluate (2+-4)/2

$\frac{2 + - 4}{2}$

Replace all occurrences of $+$ $-$ with a single $-$ . A plus sign followed by a minus sign has the same mathematical meaning as a single minus sign because $1 \cdot - 1 = - 1$

$\frac{2 - 4}{2}$

Cancel the common factor of $2 - 4$ and $2$ .

Factor $2$ out of $2$ .

$\frac{2 \cdot 1 - 4}{2}$

Factor $2$ out of $- 4$ .

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

Factor $2$ out of $2 \cdot 1 + 2 \cdot - 2$ .

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

Cancel the common factors.

Factor $2$ out of $2$ .

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

Cancel the common factor.

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

Rewrite the expression.

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

Divide $1 - 2$ by $1$ .

$1 - 2$

Subtract $2$ from $1$ .

$- 1$

Evaluate (2+-4)/2

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