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Workbook




                                                       EXERCISES 5

            1.  Solve the systems and sketch the graphs of the lines.

                3x y   1
            a)
                 3x 4y    14









                5x 2y 15  
            b)
                3x 2y    7












               2x 3y 3  
            c)
                 10x 2y    32












               2x 5y 7  
            d)
                3x 10y 13  












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