annonymous2415 annonymous2415
  • 02-12-2016
  • Mathematics
contestada

please help! i don't understand

please help i dont understand class=

Respuesta :

ganjabihh ganjabihh
  • 02-12-2016
(6x+30)° = (9x-15)°
-30 -30
(6x)° = (9x -45)°
-9x -9x
-3x = -45
÷-3 ÷-3
x = 15
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