MATH 114N Week 4 Discussion; Solving Systems of Equations (graded)

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Solving Systems of Equations (graded)

There are three ways of solving systems of linear equations: graphing, substitution, and elimination. Post a problem and show your step-by-step solution using one of the three methods. Now go and check out a classmate’s problem and solution. Is he or she correct? If not, are you able to point out the error so he or she can fix it? Let's help each other find those common mistakes that we all make but are hard to track down in our solutions.

Don’t forget to do a check! Put your points into the original equation and check that they make both equations true. Why is this so important? If your point does not work in your original problem, your solution is not correct. Don't forget to show your check process.



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