SOLUTION: How do I solve 1/3 (d+9) = -12 the answer is supposed to be -45

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Question 775488: How do I solve 1/3 (d+9) = -12 the answer is supposed to be -45
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
1/3 (d+9) = -12

d+9 = -12*3

d+9 = -36

d = -36-9

d = -45

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