SOLUTION: 2x-y=12,and x =2y then x=

Algebra ->  Coordinate Systems and Linear Equations -> SOLUTION: 2x-y=12,and x =2y then x=      Log On


   



Question 481891: 2x-y=12,and x =2y then x=
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 
Hi,
2x-y=12 and x =2y
2(2y)-y = 12
3y = 12, y = 4 and x = 8 ( x = 2*4 )