TS^(→) ={x_(S)-x_(T); y_(S)-y_(T)}, 1) -3-x_(T)=-7, x_(T)=-3+7=4, -1-y_(T)=5, y_(T)=-1-5=-6, T(4;-6); 2) TS^(→) ={3-(-4); 4-2}={7;2}; 3) x_(S)-(-3)=-1, x_(S)=-1-3=-4, y_(S)-4=-10, y_(S)=-10+4=-6, S(-4;-6).