geylyhernandez
geylyhernandez
30-10-2017
Mathematics
contestada
I need the answer please
Respuesta :
altavistard
altavistard
09-11-2017
The trick to solving this problem is to know and remember that the sum of all the interior angles of a triangle is always 180 degrees.
Thus, (6x+1) + (5x-17) + (9x-24) = 180.
20x = -40, so x = -2 (answer)
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