Matematika

Pertanyaan

tentukan penyelesaian plsv berikut
1. 2p/3+4=3p-17

2.x-1/5=2x-8/6

3.7/6(x-4)=30-x

1 Jawaban

  • [tex]1. \frac{2p}{3} + 4 = 3p - 17 \\ -> 2p + 12 = 9p - 51 \\ -> - 7p = - 63 \\ - > p = \frac{ - 63}{ - 7} = 9 \\ 2. x - \frac{1}{5} = 2x - \frac{8}{6} \\ - > 30x - 6 = 60 x - 40 \\ - > - 30x = 34 \\ - > x = - \frac{34}{30} = - \frac{17}{15} \\ 3. \frac{7}{6} (x - 4) = 30 - x \\ - > 7(x - 4) = 180 - 6x \\ - > 7x - 28 = 180 - 6x \\ - > 13x = 208 \\ - > x = 16[/tex]

    no 2 salah soal ga? mksudnya yg kutulis

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