SOLUTION: 1/3 (d+9)= -12

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Question 676049: 1/3 (d+9)= -12
Answer by Eva18(13) About Me  (Show Source):
You can put this solution on YOUR website!
1/3(d+9)=-12
=....(d+9)/3=-12
multiply by 3 both sides
3*(d+9)/3=3*-12
council the threes in the lefthand side
d+9=-36
get like terms together
d=-36-9
hence:
d=-45.