spacenerds
spacenerds spacenerds
  • 03-06-2020
  • Mathematics
contestada

iF J is between C and T, find the value of x and JT. CJ=8x+5, CT=55, and JT=4x+2
x=
JT=

Respuesta :

abidemiokin
abidemiokin abidemiokin
  • 08-06-2020

Answer:

x = 4

JT = 18

Step-by-step explanation:

Given three points J, C and T on a line, if J is between C and T then;

CJ + JT = CT.

Given CJ=8x+5, CT=55, and JT=4x+2, substituting this parameters in the equation above will give;

[tex](8x+5)+(4x+2)= 55\\8x+4x+5+2 = 55\\12x+7 = 55\\12x = 55-7\\12x = 48\\ x = \frac{48}{12} \\x = 4[/tex]

SInce JT = 4x+2

[tex]JT = 4(4)+2\\JT = 16+2\\JT = 18[/tex]

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