csrgrca300 csrgrca300
  • 21-08-2019
  • Mathematics
contestada

AB= 3 (x+7), BC= 2 (x-3), AC = 50

Respuesta :

Cricetus
Cricetus Cricetus
  • 25-08-2019

Answer:

x=7

AB = 42

BC = 18

Step-by-step explanation:

We are given that

AB = 3(x+7)

BC = 2(x-3)

AC = 50

Assuming the B is lies on AC

AB + BC = AC

3(x+7) +  2(x-3) = 50

3x+21+2x-6=50

5x+15=50

5x=35

x=7

AB=3(7+7)=3*14=42

BC=2(7-3)=2*45=18

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