13 2dOn putting A=0 and B=13, we can get 13. On putting D=0 and B=13 in eqn (2), we can still get 13. Thus, we can say that the value of D cannot be determed from the given data.Beli Iphone 13 Second On berkualitas dengan harga murah terbaru 2025 di Tokopedia! Pembayaran mudah, pengiriman cepat & bisa cicil