An equation that is satisfied for every value of the variable for which both sides are defined

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Mathematics

Timothy Bautista

23 September, 01:13

An equation that is satisfied for every value of the variable for which both sides are defined

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Matias Meza · Answer 1

An equation that is satisfied for every value of the variable for which both sides are defined is called an identity.

For example:

Given the equation

3x + 4 = x + 2 (x + 2)

Notice that for any value of x you use, the equation is true.

Thus, this type of equation is called an identity.