Matematika

Pertanyaan


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1 Jawaban

  • Penyelesaian:

    1. [tex] \frac{3}{4}x - \frac{1}{5} = 0[/tex]
    [tex] \frac{3}{4}x = \frac{1}{5} [/tex]
    [tex]x = \frac{4}{15} [/tex]

    2. [tex]- \frac{1}{5}x + 6 = 0[/tex]
    [tex]\frac{1}{5}x = 6[/tex]
    x = 30

    3. [tex]2x + \frac{4}{7} = 8[/tex]
    [tex]2x = 8 - \frac{4}{7}[/tex]
    [tex]2x = \frac{52}{7}[/tex]
    [tex]x = \frac{26}{7} [/tex]

    4. [tex] \frac{1}{3}x + 9 = 27 [/tex]
    [tex] \frac{1}{3}x = 18[/tex]
    x = 54

    5. [tex]- \frac{2}{5}x - \frac{3}{8} = 4 [/tex]
    [tex]- \frac{2}{5}x = 4 + \frac{3}{8} [/tex]
    [tex]- \frac{2}{5}x = \frac{35}{8} [/tex]
    [tex]x = - \frac{175}{16} [/tex]