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scoundrel [369]
3 years ago
13

If b<0 and |b| = 4b+15 what is the value of b

Mathematics
2 answers:
amm18123 years ago
8 0

If a the |a|=-a

So

|b|=4b+15\\-b=4b+15\\5b=-15\\b=-3

Yanka [14]3 years ago
3 0

Answer:

|b|= 4b+15

-b=4b+15

-b-4b= 15

-5b= 15

b= 15/-5

b= -3

the ans -3

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