jennygomez8915 jennygomez8915
  • 20-09-2018
  • Mathematics
contestada

The sum of three consecutive integers is 39. What is the least integer?

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choixongdong
choixongdong choixongdong
  • 20-09-2018

12 + 13 + 14 = 39

So least integer = 12

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watwolves8855
watwolves8855 watwolves8855
  • 20-09-2018

[tex] x + x+1 + x+2 = 39[/tex] where x is the number.

[tex]= 3x+3 = 39[/tex]

[tex]= 3x+3=3 = 39-3[/tex] Isolate x

[tex]=3x = 36[/tex]

[tex]=3x/3 = 36/3[/tex] DIvide for x

[tex]x = 12[/tex]

Therefore, the smallest number is 12.

Answer Link

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