SOLUTION: If a+b=13, b+c=14, c+a=15, find the value of c

SOLUTION: If a+b=13, b+c=14, c+a=15, find the value of c

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Question 981831: If a+b=13, b+c=14, c+a=15, find the value of c
Answer by josgarithmetic(39620) (Show Source): You can put this solution on YOUR website!
Try taking the difference of these two:
a+b=13, b+c=14

, and see this equation only has variables c and a.

Combine processes to solve to include the other equation with only c and a,

You have a simple system of

Finishing steps:

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