joanperez123 joanperez123
  • 21-11-2017
  • Mathematics
contestada

how to Find x value: 9-0.75(x+8)-5=-6.5

Respuesta :

thomasin
thomasin thomasin
  • 21-11-2017
Here's how to find the value of x:

9 - 0.75 ( x + 8 ) - 5 = -6.5      find the difference of 9 - 0.75

8.25 ( x + 8 ) - 5 = -6.5           add 5 to both sides

8.25 ( x + 8 ) = -1.5                distribute 8.25 to x and 8

8.25x + 66 = -1.5                    subtract 66 from both sides

8.25x = -67.5                          divide both sides by 8.25

x = 18.18181818......            the value of x is 18 2/11

hope this helps
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