0
Anonymous
A.
Wiki User
Chat with our AI personalities
the answer is a
A=0 b=0 c=0
b + b + b + c + c + c + c = 3b + 4c
2a. (a, b and c are all equal.)
x + y + z = 0 x = a - b, y = b - c, z = c - a, therefore a - b + b - c + c - a = ? a - a + b - b + c - c = 0