Cyber Cyber
  • 10-06-2025
  • Mathematics
High School

F is between C and B. Given the following expressions:

- CF = 7x + 4
- FB = 10x - 69
- CB = 12x - 25

Find the value of x and the length of CF.

Answer :

sqdancefan sqdancefan
  • 14-02-2025

Answer:

  • x = 8
  • CF = 60

Step-by-step explanation:

CF + FB = CB

(7x+4) +(10x-69) = (12x-25)

5x = 40 . . . . . . . . add 65-12x

x = 8 . . . . . . . . . . divide by 5

CF = 7x +4 = 7(8) +4 . . . . use the x value in the expression for CF

CF = 60

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