What are the strengths for using graphing, subsitution, or elimination to solve a system of equations?

please help!! (-:

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  • 1 decade ago
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    Graphing is the least effective/reliable method.

    Substitution is great when one of your variables has no leading coefficient.

    Elimination is my all around favorite. Your equations need to be in standard form ax + by = c before you can use the method.

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