SOLUTION: 1/3(b+12)-1/4(b+12)

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Question 157209: 1/3(b+12)-1/4(b+12)
Answer by checkley77(12844) About Me  (Show Source):
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1/3(b+12)-1/4(b+12)
(b+12)/3-(b+12)/4
[4(b+12)-3(b+12)]/3*4
[4b+48-3b-36]/12
(b+12)/12 answer.