This means that whatever the number or value may be the answer stays the same. Displaystyle 3 x 7 x 1 2 9 - 9 x To determine whether the equation is an identity a conditional equation or a contradiction solve for the variable eqx. An equation that is true no matter what values are chosen.
Learn about identity equations in this tutorial and then create your own identity equation.
An identity is an equation that is true for all possible values of the variables it contains. An identity is a mathematical statement that is always true. It makes a 45 its slope is 1 It is called Identity because what comes out is identical to what goes in. It does not matter what numbers you substitute in for the variables the result will be the same.