Question

p + (p – q) + q + (q – p)​

Answer 1

Answer:

Split the equation into two parts

Part 1 : p + (p-q)

Part 2 : q+(q-p)

Solution for Part 1:

p + (p-q) = p+p-q = 2p-q

Solution for Part 2:

q+( q-p) = q+q-p = 2q -p

Adding the two solutions

2p-q+2q-p = 2p-p+2q-q = p+q

Answer 2

answer :-

:- p +(p - q) + q + (q - p)

:- 2p - q + 2q + p

:- p + q

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