mariateresa
mariateresa
01-11-2017
Mathematics
contestada
How do I solve this?
Respuesta :
mathstudent55
mathstudent55
01-11-2017
First, you isolate the absolute value.
4 + 8|2b| = 84
8|2b| = 80
|2b| = 10
Now to solve the absolute value part, set what is inside the absolute value equal to 10 and set it equal to -10 and solve both equations.
2b = 10 or 2b = -10
b = 5 or b = -5
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