XinaCino67
XinaCino67 XinaCino67
  • 13-01-2022
  • Mathematics
contestada

please solve this problem and find the value of x
​

please solve this problem and find the value of x class=

Respuesta :

jimrgrant1 jimrgrant1
  • 13-01-2022

Answer:

x = 5

Step-by-step explanation:

Since the base angles are congruent then the triangle is isosceles with the 2 legs being congruent, then

9x - 5 = 4x + 20 ( subtract 4x from both sides )

5x - 5 = 20 ( add 5 to both sides )

5x = 25 ( divide both sides by 5 )

x = 5

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