lkade04 lkade04
  • 21-09-2020
  • Mathematics
contestada

Given line segment RB and on it is point C, if RB = 45 and CB = 3x - 12 and RC = 2x + 9, what is the value of x?

Respuesta :

Hrishii
Hrishii Hrishii
  • 21-09-2020

Answer:

x = 9.6

Step-by-step explanation:

Since point C is on line segment RB.

Therefore,

RC + CB = RB

2x + 9 + 3x - 12 = 45

5x - 3 = 45

5x = 45 + 3

5x = 48

x = 48/5

x = 9.6

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