torres4080 torres4080
  • 23-10-2018
  • Mathematics
contestada

If ab = 5x + 3 and Bc = 7x - 9 what is the value of Ac

Respuesta :

sqdancefan
sqdancefan sqdancefan
  • 27-10-2018

Answer:

12x -6

Step-by-step explanation:

Assuming these are segments on the same line with B between A and C, the segment addition postulate says ...

... AC = AB + BC

... AC = (5x +3) + (7x -9)

... AC = x(5+7) +(3-9)

... AC = 12x -6

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