Iklan

Iklan

Pertanyaan

Diketahui m dan n merupakan penyelesaian dari sistem persamaan { 3 x + 2 y = 17 2 x + 3 y = 8 ​ . Nilai m + n = ...

  1. 9

  2. 8

  3. 7

  4. 6

  5. 5

Iklan

S. Intan

Master Teacher

Mahasiswa/Alumni Institut Pertanian Bogor

Jawaban terverifikasi

Iklan

Pembahasan

Eliminasi space persamaan space 1 space dan space 2 space colon  3 x plus 2 y equals 17 space space space vertical line cross times 2 vertical line space space space space space 6 x plus 4 y equals 34 space  2 x plus 3 y equals 8 space space space space space space vertical line cross times 3 vertical line space space space space bottom enclose space 6 x plus 9 y equals 24 minus end enclose  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space minus 5 y equals 10 space space space space space space space space space space space space space space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space y equals negative 2 space space  Substitusikan space straight y equals negative 2 space ke space dalam space salah space satu space persamaan space  3 x plus 2 y equals 17 space space space rightwards arrow space space space 3 x plus 2 left parenthesis negative 2 right parenthesis equals 17 space space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 3 x minus 4 equals 17 space space space space space space space space space space space space space space space space space space space space space space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space 3 x equals 21 space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space  space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space space x equals 7 space  Karena space x equals m space sehingga space y equals n space  m plus n equals 7 plus left parenthesis negative 2 right parenthesis equals 5

Perdalam pemahamanmu bersama Master Teacher
di sesi Live Teaching, GRATIS!

1

Iklan

Iklan

Pertanyaan serupa

Diketahui m dan n merupakan penyelesaian dari sistem persamaan { 3 x + 2 y = 17 2 x + 3 y = 8 ​ Nilai m + n =...

2

5.0

Jawaban terverifikasi

RUANGGURU HQ

Jl. Dr. Saharjo No.161, Manggarai Selatan, Tebet, Kota Jakarta Selatan, Daerah Khusus Ibukota Jakarta 12860

Coba GRATIS Aplikasi Roboguru

Coba GRATIS Aplikasi Ruangguru

Download di Google PlayDownload di AppstoreDownload di App Gallery

Produk Ruangguru

Hubungi Kami

Ruangguru WhatsApp

+62 815-7441-0000

Email info@ruangguru.com

[email protected]

Contact 02140008000

02140008000

Ikuti Kami

©2024 Ruangguru. All Rights Reserved PT. Ruang Raya Indonesia