\left. \begin{array} { l } { - [ - ( \frac { 7 } { 3 } j - \frac { 9 } { 4 } i ) - \frac { 5 } { 4 } i - ( \frac { 8 } { 3 } j - \frac { 9 } { 4 } i - \frac { 2 } { 3 } j ) ] } \\ { 9 k , - ( 7 k - 2 l + k ) + 6 l - 5 k - ( - 2 l + 3 k ) } \end{array} \right.
Evaluate
\frac{13j}{3}-\frac{13}{4}i,\ 9k,\ 10l-16k
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