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what is an example of an identity equation. Identity Equation or Inequality An equation which is true regardless of what values are substituted for any variables if there are any variables at all. An equation is classified as an identity when it is true for ALL real numbers for which both sides of the equation are defined.
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An identity is an equation of case 3. It disappeared on us. In set theory when a function is described as a particular kind of binary relation the identity function is given by the identity relation or diagonal of A where A is a set.
In the above example xx can always be replaced by 2x since the identity is always true for all values of x.
Other examples of identities include equations etc. An identity equation is an equation that is always true for any value substituted into the variable. A 2 0. Also note how we ended up with a TRUE statement 14 does indeed equal 14.
