$$\underset{\,\,\,\,{\textcolor[rgb]{0.66,0.66,0.66}{\rightarrow {\mathtt{x}}}}}{{solve}}{\left(\begin{array}{l}\left({\frac{{\mathtt{45}}}{{\mathtt{100}}}}\right){\mathtt{\,\times\,}}{\mathtt{x}}={\mathtt{9}}\\
{\mathtt{45}}{\mathtt{\,\times\,}}{\mathtt{x}}={\mathtt{900}}\\
{\mathtt{x}}={\frac{{\mathtt{900}}}{{\mathtt{45}}}}\\
{\mathtt{x}}={\mathtt{20}}\end{array}\right)}$$
$$\underset{\,\,\,\,{\textcolor[rgb]{0.66,0.66,0.66}{\rightarrow {\mathtt{x}}}}}{{solve}}{\left(\begin{array}{l}\left({\frac{{\mathtt{45}}}{{\mathtt{100}}}}\right){\mathtt{\,\times\,}}{\mathtt{x}}={\mathtt{9}}\\
{\mathtt{45}}{\mathtt{\,\times\,}}{\mathtt{x}}={\mathtt{900}}\\
{\mathtt{x}}={\frac{{\mathtt{900}}}{{\mathtt{45}}}}\\
{\mathtt{x}}={\mathtt{20}}\end{array}\right)}$$
