SOLUTION: The Mackenzie River is 1183 km longer than the St. Lawrence. The sum of their lengths is 7299 km. How long is each river?

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Question 1176128: The Mackenzie River is 1183 km longer than the St. Lawrence. The sum of their lengths is 7299 km.
How long is each river?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39614) About Me  (Show Source):
You can put this solution on YOUR website!
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The Mackenzie River is 1183 km longer than the St. Lawrence. The sum of their lengths is 7299 km.
How long is each river?
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Use the description literally!

system%28M-L=1183%2CM%2BL=7299%29
You know what to do.

Answer by ikleyn(52756) About Me  (Show Source):
You can put this solution on YOUR website!
.

   M + L = 7299

   M - L = 1183

-------------------  Add the equation and look what will happen . . .


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If you want to see a million similar solved problems, look into the lesson
    - Word problems that lead to a simple system of two equations in two unknowns
in this site.


Also,  you have this free of charge online textbook in ALGEBRA-I in this site
    - ALGEBRA-I - YOUR ONLINE TEXTBOOK.

The referred lesson is the part of this online textbook under the topic "Systems of two linear equations in two unknowns".

Save the link to this online textbook together with its description

Free of charge online textbook in ALGEBRA-I
https://www.algebra.com/algebra/homework/quadratic/lessons/ALGEBRA-I-YOUR-ONLINE-TEXTBOOK.lesson

to your archive and use it when it is needed.