Sometimes the solution to a system is an ordered pair containing fractions. In such a case, it is often easier to solve for each coordinate separately using the addition method. That is, use the addition method to solve for x. then, rather than substituting x back into one of the original equations, repeat the addition method and solve for y. For exercises 59- 61, solve each system.
60
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- Glencoe Algebra 1, Student Edition, 9780079039897...AlgebraISBN:9780079039897Author:CarterPublisher:McGraw HillAlgebra: Structure And Method, Book 1AlgebraISBN:9780395977224Author:Richard G. Brown, Mary P. Dolciani, Robert H. Sorgenfrey, William L. ColePublisher:McDougal Littell