highschoolhelp9 highschoolhelp9
  • 03-01-2018
  • Mathematics
contestada

What is the value of x?

What is the value of x class=

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ElenaClaudia
ElenaClaudia ElenaClaudia
  • 03-01-2018
if ∡A ≡ ∡B ∡C   ⇒   ΔABC = equilateral ⇒ AB = BC = AC

3x - 5 = 2x + 20
 (AB)      (BC)

3x - 2x = 20 + 5 

x = 25


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Аноним Аноним
  • 04-01-2018


1)4x - 30 = 2x + 20 
2x = 50
x = 25 
2)4x - 30 = 3x - 5
x = 25
3)3x - 5 = 2x + 20
x = 25

 ΔABC = equilateral 
Answer Link

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