Question

Simplify : p + (p – q) + q + (q – p)​

Answer 1

Answer:

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

= p+q______

Answer 2

Answer:

p + q

Step-by-step explanation:

p + (p – q) + q + (q – p). [B.O.D.M.A.S rule] (Brackets)

= p + p - q + q + q - p. (Then addition of like terms)

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

= 2p - p + 2q - q. (At last subtraction of like terms)

= p + q (Ans)