Question:
$\frac{x}{5}=\frac{x-1}{6}$
Solution:
Given, $\frac{x}{5}=\frac{x-1}{6}$
$\Rightarrow$ $6 x=5(x-1)$ [by cross-multiplication]
$\Rightarrow$ $6 x=5 x-5$
$\Rightarrow$ $6 x-5 x=-5$ [transposing $5 x$ to LHS]
$\therefore$ $x=-5$
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