$\frac{3X}{2}=y,\ X=1,\ Y+\frac{Y}{Z}=0,\ \text{true},\ a=\frac{B}{2}+G$

$y = \frac{3}{2} = 1\frac{1}{2} = 1.5$
$Z\neq 0\text{ and }\left(Y=0\text{ or }Z=-1\right)\text{ and }X=1\text{ and }a=\frac{B}{2}+G$

$a=\frac{B}{2}+G$