sgp01 sgp01
  • 21-09-2017
  • Mathematics
contestada

what is my first step?

what is my first step class=

Respuesta :

atjordanperez atjordanperez
  • 24-09-2017
well a line is equivalent to 180 degrees so you would have AB(9x-23) and BC(5x-11) added to equal 180.
9x-23+5x-11=180  
you would then combine like terms 
14x-34=180
14x=214
x=214/14
x=15.2857143
x=15.29
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