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    Simplifying algebraic expressions

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    Simplify the following algebraic expression: 3X - (2 - X).

    Could you please explain the steps that I take when simplifying algebraic expressions such as this one? Thanks.

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    Solution Preview

    By "simplifying" an algebraic expression, we mean writing it in the most compact or efficient manner, without changing the value of the expression. This mainly involves collecting like terms, which means that we add together anything that can be added together. The rule here is that only like terms can be added together.

    Negative signs in front of parentheses:

    3X - (2 - X)

    In this problem, notice that the minus sign appears in front of the parenthesis. This is considered a special case, when a minus sign appears in front of ...

    Solution Summary

    This solution explains the steps to take when simplifying algebraic expressions and provides examples to better illustrate.