muqadasza13 muqadasza13

09-08-2020
Mathematics

contestada

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

Respuesta :

sigup01 sigup01

09-08-2020

Answer:

|b|= 4b+15

-b=4b+15

-b-4b= 15

-5b= 15

b= 15/-5

b= -3

the ans -3

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konrad509 konrad509

09-08-2020

If [tex]a<0[/tex] the [tex]|a|=-a[/tex]

So

[tex]|b|=4b+15\\-b=4b+15\\5b=-15\\b=-3[/tex]

Answer Link

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