Page 11 - ebook assignment
P. 11

iii- Eliminate a letter











          now we gotta eliminate the letter with the ame




          coefficient







    2x + 3y = 12                                                                                            2x + 3y = 12








    2x + 2y = 10                                                                                          - 2x + 2y = 10








                                                                                                            0   + y = 2
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