simplify combining like terms - p-(p-q)-q-(q-p)

-p-(p-q)-q-(q-p)

= -p-p+q-q-q+p ( multiplying + and - )

= -p-p+p-q-q+q ( grouping like terms )

= -p-q

**So answer is -p-q**

So Answer is

**
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simplify combining like terms - p-(p-q)-q-(q-p)

-p-(p-q)-q-(q-p)

= -p-p+q-q-q+p ( multiplying + and - )

= -p-p+p-q-q+q ( grouping like terms )

= -p-q

**So answer is -p-q**

So Answer is

**
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