annonymous2415
annonymous2415
02-12-2016
Mathematics
contestada
please help! i don't understand
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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