Question:
Solve:
$\frac{3 x}{5 x+2}=-4$
Solution:
$\frac{3 x}{5 x+2}=-4$
$\Rightarrow \frac{3 x}{5 x+2}=\frac{-4}{1}$
$\Rightarrow 1(3 x)=-4(5 x+2)$ (by cross multiplication)
$\Rightarrow 3 x=-20 x-8$
$\Rightarrow 3 x+20 x=-8$
$\Rightarrow 23 x=-8$
$\Rightarrow x=\frac{-8}{23}$
$\therefore x=\frac{-8}{23}$
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