Solve for c A=1/3(a+b+c)

Question

Please help. I really do not understand this at all if you explain how to get the answer that will be greatly appreciated. And if you tell me how to get it I don't even need the answer

A. c=3A-(a-b)

B. c=3A-a-b

C. c=3a+3b+A

D. c=3Aab

Answer 1

me assume that stuf spozed tu be

A=(1/3)*(a+b+c) & yu wanna solv for c

3A=a+b+c

c=3A-a-b