lisbug345ovjxnd
lisbug345ovjxnd lisbug345ovjxnd
  • 12-12-2017
  • Mathematics
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What is ​ BC ​ ?


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jyoung551780
jyoung551780 jyoung551780
  • 12-12-2017
Lines AB and AC are equal so you set up an equation like so...
4x + 1 = 2x + 23
Subtract 1 from both sides.
4x = 2x + 22
Subtract 2x from both sides.
2x = 22
Divide.
x = 11
Now you need to plug in 11 into 3x - 8.
3(11) - 8
= 33 - 8
= 25
So BC is 25.
I hope this helps love! :) 
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