nilai yang memenuhi persamaan 4x dari 3(2x + 1/3) = 4(3x + 1/2) adalah...

[tex]3(2x + \frac{1}{3} ) = 4(3x + \frac{1}{2} ) \\ 6x + 1 = 12x + 2 \\ 6x - 12x = 2 - 1 \\ - 6x = 1 \\ x = - \frac{1}{6} [/tex]

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[tex]4x \\ = 4 \times - \frac{1}{6} \\ = - \frac{4}{6} \\ = - \frac{2}{3} [/tex]