## Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

$x=\frac{1}{x}$ $x^2=1$ , by multiplying both sides. by $x$. The two solutions are: $x=1; -1$
This sentence can be translate to an equation: The real number is $x$ and its reciprocal is $\frac{1}{x}$ $x=\frac{1}{x}$ $x^2=1$ , by multiplying both sides. by $x$. The two solutions are: $x=1; -1$