Nilai 2x yang memenuhi 4x+2=3√16x-5

[tex]4x + 2 = 3 \sqrt{16} x - 5 \\ 4x - 3 \sqrt{4 \times 4} x = - 5 - 2 \\ 4x - 12x = - 7 \\ - 8x = - 7 \\ x = \frac{7}{8} \\ \\ nilai \: 2x \\ 2 \times \frac{7}{8} \\ = \frac{7}{4} [/tex]