brunamarquesss brunamarquesss
  • 08-10-2020
  • Mathematics
contestada

If x+1 and -x+17 are the second and the sixth terms of a sequence with a common difference of 5, find the value of x

Respuesta :

elisha27
elisha27 elisha27
  • 08-10-2020

Answer:

x= -2

Step-by-step explanation:

a6=a2+4d

-x+17=x+1+4(5)

-x+17=x+1+20

-x-x=1+20-17

-2x=4

x= -2

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