Matematika

Pertanyaan

Eliminasi 1 dan 2 2x + 3y =69.000.00 1x + 2y +1y = 50.000.00

1 Jawaban

  • 2x + 3y =69.000,00

    1x + 2y +1y = 50.000,00  = 1x+3y=50.000,00

    eliminasi

    2x + 3y =69.000,00

    1x+3y=50.000,00

    --------------------------   -

    1x = 19.000,00

    2x + 3y =69.000,00  |x1|  2x + 3y =69.000,00 

    1x+3y=50.000,00     |x2|  2x + 6y = 100.000,00

                                            ---------------------------- -

                                                     -3y = -31.000,00

                                                        y= -31.000,00/3 = -10.333,33


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