bencastrosobero2018 bencastrosobero2018
  • 25-10-2018
  • Mathematics
contestada

The flat screen television has the length of 2x and the width of 3x+2. What is x if the perimeter is 74 inches?

Respuesta :

3010608 3010608
  • 25-10-2018

Answer:


Step-by-step explanation:

length : 2x


width : 3x+2


Perimeter = 2(l+w)


substitute in knowns


74 = 2(2x+3x+2)


combine like terms


74 = 2(5x+2)


distribute


74 = 10x+4


subtract 4 from each  side


70 = 10x


divide by 10


x=7


Answer x=10




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