boogieA2006
boogieA2006
19-09-2021
Mathematics
contestada
I need help with my Math please!!
Respuesta :
alisashatravka
alisashatravka
19-09-2021
X+6=4x-21
X-4x=-21-6
-3x=-27
X=9
CD = 9+6=15
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