One or more from these: characters: 0..9a..zA..Z_ but the first one cannot be a digit
In algebraic equations, exponents can contain variables. They can be solved for by using logarithmic rules for exponents.
you cant because variables cant go ou its agaist the rules
No, they are binary operators. Two numbers (or variables) are combined, according rules of operation to give a single answer.
a variable changes a rule doesnt.
Another name of global variable is "EXTERNAL VARIABLES".
You first have to get rid of the numbers that don't have variables. then you divide by the variable and solve for it.
There are too many variables to answer this question. Contact your state department of children and families (or whatever yours is called) for accurate information.
independent variable called also predictor variables,explanatory variables,manipulated variables etc.
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The general name is a "constant".
In order to multiply fractions with variables, factor all numerators and denominators completely. Use the rules for multiplying and dividing fractions, cancel any common factors, and leave your final answer in factored form.
Solving inequalities and equations are the same because both have variables in the equation.