Solving linear systems
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To be efficient, under which conditions would you use graphing elimination or substitution? Provide an example.
The three methods of solving linear systems covered are substitution, elimination, and graphing.
There are examples posted on the solution field and in the attachment.
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Solution Summary
This solution describes three methods of solving linear systems and the conditions in which each method is most efficient.
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Substitution is efficient if one of the variables is solved in terms of the other or is easily solved in terms of the other.
ex: 3x - 2y = 9
y = 2x - 7 so substitute to get 3x - 2(2x - 7) = 9, 3x - 4x + 14 = 9, -x + 14 = 9, -x = ...
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