Solve p-(p + q) + q - (q-p)
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p - (p + q) + q - (q - p)
p - p - q + q - q + p
p - q
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Answer:
Given
p - ( p + q ) + q - ( q - p)
= p - p - q + q - q + p
= ( p - p ) - q + ( q - q) + p
= 0 - q + 0 + p
= -q + p
= p - q
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