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equations

by naaga » Fri Feb 20, 2009 11:35 pm
X-Y = 3
2X = 2Y + 6


The system of equations above has how many
solutions?
(A) None
(B) Exactly one
(C) Exactly two
(D) Exactly three
(E) Infinitely many


OA is E

how the answer is write, but i got only answer
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by sureshbala » Fri Feb 20, 2009 11:46 pm
Since both the given equations are one and the same, we will have infinite number of solutions
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