If the sum of a b and c is twice the sum of a minus b and a minus c and the difference of a plus b and a minus c is 3 then value of a is:

If the sum of a b and c is twice the sum of a minus b and a minus c an

1.	If the sum of a b and c is twice the sum of a minus b and a minus c and the difference of a plus b and a minus c is 3 then value of a is:
A.	1
B.	-1
C.	9
D.	10
Answer» F.

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If the sum of a b and c is twice the sum of a minus b and a minus c and the difference of a plus b and a minus c is 3 then value of a is:

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