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The Princeton Review - Algebra Smart
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00299_Text_scr28.txt
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1996-10-02
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342b
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Summary continued
7) A good way to actually see how both
equalities and inequalities work is
to draw them on a number line.
Using a number line can help to
prevent careless errors.
8) Another way to find the solution to
an open-sentence equation with an
unknown is to graph it on a
number line.