Question

Solve:
$\frac{9x}{7-6x}=15$

Answer 1

$\frac{9x}{7-6x}=15\Rightarrow 9x=15(7-6x)$
$\Rightarrow 9x=105-90x\Rightarrow 9x+90x=105$
$\Rightarrow 99x=105\Rightarrow x=\frac{105}{99}$
$\Rightarrow x=\frac{35}{33}$

Therefore, $x=\frac{35}{33}$ is the solution of $\frac{9x}{7-6x}=15$.