SOLUTION: If 2x + y = a, and 5x + y = b, then x =

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: If 2x + y = a, and 5x + y = b, then x =       Log On


   

Question 1143983: If 2x + y = a, and 5x + y = b, then x =
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
2x + y = a
5x + y = b
---------------- Subtract
-3x = a-b
x = (b-a)/3