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\left(7\times \frac{1}{x}\right)^{1}\times \frac{1}{\frac{1}{x}}
Use the rules of exponents to simplify the expression.
7^{1}\times \left(\frac{1}{x}\right)^{1}\times \frac{1}{1}\times \frac{1}{\frac{1}{x}}
To raise the product of two or more numbers to a power, raise each number to the power and take their product.
7^{1}\times \frac{1}{1}\times \left(\frac{1}{x}\right)^{1}\times \frac{1}{\frac{1}{x}}
Use the Commutative Property of Multiplication.
7^{1}\times \frac{1}{1}\times \frac{1}{x}x^{-\left(-1\right)}
To raise a power to another power, multiply the exponents.
7^{1}\times \frac{1}{1}\times \frac{1}{x}x^{1}
Multiply -1 times -1.
7^{1}\times \frac{1}{1}x^{-1+1}
To multiply powers of the same base, add their exponents.
7^{1}\times \frac{1}{1}x^{0}
Add the exponents -1 and 1.
7\times \frac{1}{1}x^{0}
Raise 7 to the power 1.
7\times \frac{1}{1}\times 1
For any term t except 0, t^{0}=1.
7\times \frac{1}{1}
For any term t, t\times 1=t and 1t=t.