Revision as of 20:10, 7 July 2006 by Ignite168 (talk | contribs) (Definition: i is not usually used as a variable, p and q are)


A variable does not have a set value. Its value can change, and a variable is used to represent unknowns in equations.

Any symbol may be used as a variable, but the most common variables are x, y, z, n, a, b, c, p, and q.


What plus 7 is 10?

Write an equation that uses a variable to represent the part that is unknown.


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