highschoolhelp9
highschoolhelp9
03-01-2018
Mathematics
contestada
What is the value of x?
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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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