1.

\begin{array} { l } { \text { Solve the following pairs of equations } } \\ { \frac { 1 } { 2 x } + \frac { 1 } { 3 y } = 2 } \\ { \frac { 1 } { 3 x } + \frac { 1 } { 2 v } = \frac { 13 } { 6 } } \end{array}

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