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Simplify,b-[b-(a+b)-(b-(b-a+b)]+2a]

A0

Ba

C2a

D4a

Answer:

D. 4a


Related Questions:

Six persons A, B, C, D, E, F are sitting in a circle looking at the centre of the circle. A is sitting facing B. B is sitting to the right of E and left of C. A is sitting to the left of F and right of D. If the positions of A and E are interchanged, who will be sitting between A and C?
a^x = b , b^y = c , c^z = a ആയാൽ xyz എത്ര
22 × 11 × 35 / 77 × 2 × 55 ന്റെ വില എത്ര?
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Evaluate the expression:
1(38)1(87)+1(76)1(65)+1(52)\frac{1}{(3-\sqrt8)}-\frac{1}{(\sqrt8-\sqrt7)}+\frac{1}{(\sqrt7-\sqrt6)}-\frac{1}{(\sqrt6-\sqrt5)}+\frac{1}{(\sqrt5-2)}