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to evaluate an algebraic expression one must change the variable to its numerical value or to just simply __________________

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Weewoofiretruckgo

You have to substitute a number for each variable and perform the arithmetic operations. In the example above, the variable x is equal to 6 since 6 + 6 = 12. If we know the value of our variables, we can replace the variables with their values and then evaluate the expression.

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