SOLUTION: Solve the following problem. The Nile River is 394 kilometers longer than the Amazon River. The two rivers have a total length of 12,986 kilometers. How long is each river?

Algebra ->  Coordinate Systems and Linear Equations  -> Lessons -> SOLUTION: Solve the following problem. The Nile River is 394 kilometers longer than the Amazon River. The two rivers have a total length of 12,986 kilometers. How long is each river?      Log On


   

Question 785635: Solve the following problem.
The Nile River is 394 kilometers longer than the Amazon River. The two rivers have a total length of 12,986 kilometers. How long is each river?
Answer by harpazo(655) About Me  (Show Source):
You can put this solution on YOUR website!
x + x + 394 = 12,986
2x + 394 = 12, 986
2x = 12,986-394
2x = 12,592
x = 12,592/2
x = 6296
The length of one river is 6296 km and the other river is 6296 + 394 km or 6690 km.
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