Algebra
posted by Lynn .
I understand that systems of equations can be solved by graphing or by using substitution or elimination. But I cannot think of any pros or cons so...
What are pros and cons of each method?

Mathematical solutions to systems of equations are more accurate than graphical solutions; because when the point of interception fall between grid lines, you must estimate the point location. Which is easier the elimination method or the substitution method? Well, it depends on the equations. Most of the time I use the elimination method. But sometimes I find it easier to use the substitution method. If one of the equations has only one unknown, I use the substitution method. Most of the time it will depend on the individual.

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