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Question of the Day: March 12, 2010
| Question Type: | Data Sufficiency |
| Category: | Algebra > Manipulating Equations |
| Difficulty: | Medium |
If

, what is the
value of
z ?
(1)

(2)
x = 5
(A) Statement (1) ALONE is sufficient, but statement (2) is not sufficient.
(B) Statement (2) ALONE is sufficient, but statement (1) is not sufficient.
(C) BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.
(D) EACH statement ALONE is sufficient.
(E) Statements (1) and (2) TOGETHER are NOT sufficient.