How to get $d$ in terms of $A$ and $B$

I'm trying to get $d$ in terms of $A$ and $B$ having the next equations:

$$0=A+B\ast {\mathrm{log}}_{2}(d)$$

$$6=A+B\ast {\mathrm{log}}_{2}(\frac{d}{2})$$

EDIT

How about A in terms of B and d? And B in terms of A and d?

I'm trying to get $d$ in terms of $A$ and $B$ having the next equations:

$$0=A+B\ast {\mathrm{log}}_{2}(d)$$

$$6=A+B\ast {\mathrm{log}}_{2}(\frac{d}{2})$$

EDIT

How about A in terms of B and d? And B in terms of A and d?