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3 votes
-|b + 6| = |3b - 21|

1 Answer

4 votes

Answer: b=3.75

Explanation:

-|b + 6| = |3b - 21|

-|b|=|3b-21|+6

-b=3b-21+6

-4b=-21+6

-4b=-15

b=15/4

b=3.75

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