\vecr\left(-\frac13\right) = \beginpmatrix 1 + 2(-\frac13) \\ -\frac13 \\ -3 - (-\frac13) \endpmatrix = \beginpmatrix 1 - \frac23 \\ -\frac13 \\ -3 + \frac13 \endpmatrix = \beginpmatrix \frac13 \\ -\frac13 \\ -\frac83 \endpmatrix - Veritas Home Health