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Question 927010:  a second number is one more than the first number. The sum of twice the first number and the second number is 16.  What are the two numbers? let F be the first number and S be the second.  
  
I dont know how to set this problem up with the two equations in order to get the answer :( please help 
 Answer by TimothyLamb(4379)      (Show Source): 
You can  put this solution on YOUR website! s = f + 1 
2f + s = 16 
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2f + s = 16 
2f + (f + 1) = 16 
2f + f + 1 = 16 
3f = 15 
f = 5 
s = 6 
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