SOLUTION: If a+b=7(c+d), what would be the average (arithmetic mean) of a, b, c and d?

Algebra ->  Average -> SOLUTION: If a+b=7(c+d), what would be the average (arithmetic mean) of a, b, c and d?      Log On


   

Question 316870: If a+b=7(c+d), what would be the average (arithmetic mean) of a, b, c and d?
Answer by Fombitz(32388) About Me  (Show Source):