beanshehe
beanshehe beanshehe
  • 22-05-2020
  • Mathematics
contestada

What is the value for x and what is angle b?

What is the value for x and what is angle b class=

Respuesta :

nermay7
nermay7 nermay7
  • 28-05-2020

Answer: The value of x is 6.  The measure of angle B is 20 degrees.

Step-by-step explanation:

3x + 2  + 55 = 13x- 3

3x + 57 = 13x -3

-3x         -3x  

   57 = 10x -3

   +3            +3

60= 10x

x= 6

  3(6) +2 = m∠B

 20= m∠B

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