Pre-Algebra Examples

$m - n - (p + (m + n - p))$

Step 1

Remove parentheses.

$m - n - (p + m + n - p)$

Step 2

Combine the opposite terms in $m - n - (p + m + n - p)$ .

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Step 2.1

Subtract $p$ from $p$ .

$m - n - (m + n + 0)$

Step 2.2

Add $m + n$ and $0$ .

$m - n - (m + n)$

Step 3

Apply the distributive property.

$m - n - m - n$

Step 4

Combine the opposite terms in $m - n - m - n$ .

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Step 4.1

Subtract $m$ from $m$ .

$- n + 0 - n$

Step 4.2

Add $- n$ and $0$ .

$- n - n$

Step 5

Subtract $n$ from $- n$ .

$- 2 n$