llllll1 llllll1
  • 18-05-2016
  • Mathematics
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The area of a pentagon increased by 27 is the same as four times the area of the pentagon, minus 15. What is the area of the pentagon?

Respuesta :

Аноним Аноним
  • 18-05-2016
equation
a + 27 = 4a - 15
3a - 15 = 27
3a = 42
a = 14
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