nathaliem
nathaliem
20-06-2017
Mathematics
contestada
-5y-9=-(y-1)
A. -1/2
B. -2 1/2
C. -2
D. -2/5
Respuesta :
derpy16000
derpy16000
20-06-2017
simplify brackets -5y-9= -y + 1
add 5y -9=4y+1
subtract 1 -10 = 4y
divide by 4 -10/4 = y
simplify -5/2=y
-5/2 or -2.5 = y
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