Which statement below is sufficient to determine the value of a + b? Give a reason for your answer; you only need to comment on the one (a - e) that is true. 4a+2b=15
2b=10-3a

a. Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient to answer the question asked.

b. Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient to answer the question asked.

c. BOTH statements (1) and (2) TOGETHER are sufficient to answer the question asked, but NEITHER statement ALONE is sufficient to answer the question asked.

d. EACH statement ALONE is sufficient to answer the question asked.

e. Statements (1) and (2) TOGETHER are NOT sufficient to answer the question asked, and additional data specific to the problem are needed.