Page 45 - E-LKPD BERBASIS HOTS
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2.  Mengeliminasi x untuk memperoleh nilai y

                  Agar  variabel  x  dapat  dieliminasi,  maka  koefisien  x  harus  disamakan  dan  koefisien  x


                 memiliki  tanda  yang  sama  maka  kita  mengurangkan  kedua  persamaan  tersebut.  Jadi,


                  persamaan (1) harus dikalikan ....... dan persamaan (2) harus dikalikan ........


                  Hasilnya adalah:



                  2   − 3   = 0   |×…….| ……....   −…….   = …….


                  3   +    = 9     |×…...|……..   + …….   = …….      .........−


                                              …….   = …….


                                                       … . .
                                                     =
                                                 … . .  … . .



                                                     = …….

                  Jadi, penyelesaian adalah x = .......... dan y = ................





                     KESIMPULAN




                Apakah  yang  dapat  kamu  simpulkan  setelah  mengikuti  kegiatan  penyelesaian  dengan

                metode substitusi dan eliminasi?

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               E-LKPD Berbasis HOTS  Kelas VIII SMP/ MTs                                                35
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