Q: What does an equation always include?

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Identity equation

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

no

will always begin with an equal sign

When in doubt always square both sides of the equation.

Related questions

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

Identity equation

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

no

an equation ---------- has a soultion? a)always B)sometimes C)never

An example of an equation that will always equal 12 is x=12. x will never change and will always be equivalent to 12.

will always begin with an equal sign

No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11No, this is an "expression". An equation would include an equal sign, for example:2x + 5 = 11

No

When in doubt always square both sides of the equation.

Does a multi-step equation sometimes, always, or never have a solution?

The equation of a straight line can always be put into the form "y=mx+c".