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Solve for b3/4b + 9 = 21
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36 votes
36 votes
Solve for b3/4b + 9 = 21

User Zonky
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1 Answer

17 votes
17 votes

(3)/(4b)+9=21

subtract 9 from both-side


(3)/(4b)=21-9
(3)/(4b)=12

cross multiply


48b=3

Divide both-side by 48


b=(3)/(48)
b=(1)/(16)

User Silentsod
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