If the sum of a, b, and c is three times the sum of a and b, which of the following expresses the value of a in terms of b and c?
A.
B.
C.
D.
Answer:A
If the sum of a, b, and c is three times the sum of a and b, which of the following expresses the value of a in terms of b and c?
A. B. C. D.
Explanation: A