How 16 changed into 128.... pls answer with explanation....

Dear Student,

$$\begin{gathered} \frac{3x}{8} = 16+\sqrt{x} \\ \frac{{\displaystyle 3x}}{{\displaystyle 8}}-16=\sqrt{x} \\ Taking L.C.M., \\ \frac{3x-8\times 16}{8}=\sqrt{x} \\ \frac{3x-128}{8}=\sqrt{x} \\ Cross multiplying, \\ 3x-128 = 8\sqrt{x} \end{gathered}$$

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