simply the combining like terms p-(p-q) - (q-p) -q
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Answered by
5
Step-by-step explanation:
=p-(p-q)-(q-p)-q
=p-p+q-q+p-q
=2p-p+q-2q
=p-q....
Therefore the answer is (p-q).....
Hope!!! it helps you....
Answered by
2
Step-by-step explanation:p - (p-q) - (q-p) - q
=p - p + q - q + p - q
=0+0-q
= p-q is the answer
Hope it helps you
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