{0,0,0} → {Sbx,Sby,Sbz}
![Solve[{(x - Rx)/-Rx == (y - Ry)/-Ry == (z - Rz)/-Rz, Tx x + Ty y + Tz z == Tx Cx + Ty Cy + Tz Cz}, {x, y, z}]](../HTMLFiles/index_9.gif){kind=small}