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Identity equation

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Q: What a word of An equation that is always true?
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What is it called when an equation is always true?

In math, an equation that is always true is called an identity.


What is an equation called that is not always true?

Seems to me like if it's not always true, then it's no equation.


What is an equation that is true regardless of the values of the variables called?

An equation that is always true is an identity.


What is the word for a number that makes an equation true?

Solution. A solution of an equation is a number that satisfy the equation. This means that if you replace this number on the equation and check it, the equation will be true. When you solve an equation you can find some roots, but not all of them satisfy the equation. Thus always check your answers after resolving your equation, and eliminate as solution the answers that don't make the equation true or undefined.


Is an equation always equal or true?

No, it's not


If an equation is an identity what is true about the solution?

It is true for all permissible values of any variables in the equation. More simply put, it is always true.


Is the solution to an equation any number that makes the equation true?

not always but most of the time yes


What does IDETITY means in math?

An identity is an equation that is always true, no matter what value you replace for the variable.To give a simple example, 2x + 3x = 5x is true for any x.An identity is an equation that is always true, no matter what value you replace for the variable.To give a simple example, 2x + 3x = 5x is true for any x.An identity is an equation that is always true, no matter what value you replace for the variable.To give a simple example, 2x + 3x = 5x is true for any x.An identity is an equation that is always true, no matter what value you replace for the variable.To give a simple example, 2x + 3x = 5x is true for any x.


An equation always have two sides namely LHS and RHS it is true?

Yes


It is always helpful to rewrite an equation in standard form as a first step in solving it.?

True


Is it true a chemical equation must always be balanced because matter keeps its original properties?

Yes.


How do I find x when it's not in the equation?

I am not entirely sure what situation you are talking about. If there is no "x" in an equation, there is no point in finding it. On the other hand, if "x" disappears when solving an equation, that's usually an indication that the equation is always true, or always false, independently of the value of "x". Example: x = x + 1 Subtracting "x" from both sides, you get: 0 = 1 Since this is false, the equation is false (for ANY value of "x"). As another example: 3x = 3x Subtracing 3x on each side, you get: 0 = 0 Since this is true, and "x" doesn't appear in it, the original equation is ALWAYS true, i.e., no matter what value "x" has.