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a + b - c = d, and if a - b + c = e, then a =

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by sanju09 » Thu Sep 16, 2010 10:29 pm
If a + b - c = d, and if a - b + c = e, then a =
(A) ½ (d + e)
(B) d - e
(C) 2 d + e
(D) d + e
(E) 2 (d + e)


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by goyalsau » Thu Sep 16, 2010 11:49 pm
just need to add both the equation.
answers is option A.
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by klmehta03 » Sun Sep 19, 2010 6:06 pm
yup the ans is A
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by kaushiksin » Mon Sep 20, 2010 2:45 am
a + b = d+c
a - b = e - c
----------------
2a = d+e
a = (d+e)/2
The answer is (A).
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