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4 votes
4 votes
If the average of 2b and 4b is 12, what is the value of b?

User Mavilein
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1 Answer

27 votes
27 votes

Answer:

b=3

Explanation:

2b+4b=12

6b^2=12

6b^2 - 6 =12 - 6

b^2/2=6/2

b=3

User Alvaro Carvajal
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3.1k points