$$[\begin{matrix}a+c&a+2b\\ c-1&4d-6\end{matrix}]=[\begin{matrix}0&-7\\ 3&2d\end{matrix}]$$
$a=-4$
$c=4$
$b = -\frac{3}{2} = -1\frac{1}{2} = -1.5$
$d=3$
