lahhdeedee lahhdeedee
  • 13-07-2017
  • Mathematics
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The modern day equation that models this problem is x + x = 15.

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twvogels
twvogels twvogels
  • 13-07-2017
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Assuming you want to solve for x:

x+x=15
2x=15
x=15/2
x=7.5 
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