Thank you for the opportunity to help you with your question!

First remember that |5x-1| has two possibilities given below

(i) (5x-1)

(ii) -(5x-1)

Therefore the first solution is,

-6 +7(5x-1)=57

or

-6+35x-7=57 or 35x-13=57or 35x=57+13=70

x=70/35=2

x=2

The second solution is

-6-7(5x-1)=57

-6-35x+7=57 or -35x+1=57

-35x=57-1

x=-56/35

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