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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