If (A+B) = 5, (B+C) = 9 and (C+D) = 3, what is the value of (A+D)? Choose one:	A) 16 .	B) 8 .	C) 7 .	D) 2 .	E) - 1 .

Rationale: given a + b = 5 b + c = 9 c + d = 3 ( a + b ) - ( b + c ) + ( c + d ) = ( a + d ) = > 5 - 9 + 3 = - 1 . option e . . .
Answer: E