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

The correct option is C. $\frac{105}{99}$

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

On cross multiplying,

$\Rightarrow 9x=15(7-6x)=105-90x$

$\Rightarrow 9x=105-90x$

$\Rightarrow 9x+90x=105$

$\Rightarrow 99x=105$

$\Rightarrow x=\frac{105}{99}$

Therefore, $x=\frac{105}{99}$.