Lonarwhal
Lonarwhal Lonarwhal
  • 12-09-2019
  • Mathematics
contestada

Please answer fast I need help

Please answer fast I need help class=

Respuesta :

billgkgk
billgkgk billgkgk
  • 14-09-2019

Answer:

x=20

Step-by-step explanation:

set up what you know: the mid point is at half the total length.

AB = AC/2 so

2x = 3x + 20

           2

multiply both sides by 2 to cancel the denominator

4x= 3x+20  subtract 3x from both sides

x= = 20

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