Page 10 - ebook assignment
P. 10

ii- Make sure two coefficient are






          equal











          choose one letter to be eliminate and make it have the



          same coefficient. For example, we want to eliminate x:







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






          (x + y = 5)2                                                                                            2x + 2y = 10







          whole equation multiple by 2
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