Question

If a + b = p and a- b = q, what is the value of a (in terms of p and q)?

Answer 1

Step-by-step explanation:

a + b = p

a = p - b

a - b = q

a = q + b

Answer 2

Answer:

a=(p+q)/2

Step-by-step explanation:

a+b=p-----(1)

a-b=q------(2)

solve eq 1 and 2

both b and -b will get cancelled

2a=p+q

a=(p+q)/2

hope it helps you

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