Question

Simplify: [{(1/8) –1 } –4 ] –1

Answer 1

[{(1/8) –1 } –4 ] –1

= [{(1-8)/8 } –4 ] –1

= [{-7/8 } –4 ] –1

= [(-7-32)/8 ] –1

= [-39/8 ] –1

= (-39-8)/8

= -47/8

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