Express the following as an algebraic expression:
(v) Sum of p and 2r−s minus sum of a and 3n+4x
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Solution
Sum of p and 2r−s=p+2r−s ....(i)
Sum a and 3n+4x=a+3n+4x ...(ii)
Subtracting (ii) from (i) ⇒(p+2r−s)−(a+3n+4x)
Hence, the required expression is (p+2r−s)−(a+3n+4x)