Math Question: When Is Elimination The Preferred Method Of Solving A System Of Equations?
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Elimination is always a viable method of solving a system of equations. That method, or one similar to it, is the one used by many equation-solving computer programs.
For manual use, it is a good method to use of the coefficients of one of the variable are in a "nice" relation to one another. Preferably, only one equation must be multiplied by a small integer before it is combined with the other equation. Preferably, the two equations can simply be added or subtracted because the coefficients match or are opposites.
For manual use, it is a good method to use of the coefficients of one of the variable are in a "nice" relation to one another. Preferably, only one equation must be multiplied by a small integer before it is combined with the other equation. Preferably, the two equations can simply be added or subtracted because the coefficients match or are opposites.
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