$${\mathtt{8}}{\mathtt{\,\times\,}}\left({\mathtt{Y}}{\mathtt{\,\small\textbf+\,}}{\mathtt{12}}\right) = {\mathtt{100}}$$
$${\mathtt{8}}{\mathtt{\,\times\,}}{\mathtt{Y}}{\mathtt{\,\small\textbf+\,}}{\mathtt{96}} = {\mathtt{100}}$$
$$\left({\mathtt{8}}{\mathtt{\,\times\,}}{\mathtt{Y}}\right) = {\mathtt{4}}$$
Y=$$\frac{1}{2}$$
.$${\mathtt{8}}{\mathtt{\,\times\,}}\left({\mathtt{Y}}{\mathtt{\,\small\textbf+\,}}{\mathtt{12}}\right) = {\mathtt{100}}$$
$${\mathtt{8}}{\mathtt{\,\times\,}}{\mathtt{Y}}{\mathtt{\,\small\textbf+\,}}{\mathtt{96}} = {\mathtt{100}}$$
$$\left({\mathtt{8}}{\mathtt{\,\times\,}}{\mathtt{Y}}\right) = {\mathtt{4}}$$
Y=$$\frac{1}{2}$$
