SOLUTION: One Number is triple another. The differnce betwen the larger and smaller is 84. Find the Numbers? How do I set this equation up. I have started with letting one number= A and an

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: One Number is triple another. The differnce betwen the larger and smaller is 84. Find the Numbers? How do I set this equation up. I have started with letting one number= A and an      Log On


   

Question 438029: One Number is triple another. The differnce betwen the larger and smaller is 84. Find the Numbers?
How do I set this equation up. I have started with letting one number= A and another number= 3A. Would this be correct?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x-x=84
2x=84
x=42
3x=126
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126-42=84