What is k. I am guessing k stands for how much -1/3 needs to be multiplied by to get -7/6

[tex] \huge \boxed{\mathfrak{Question} \downarrow}[/tex]
[tex] \large \boxed{\mathfrak{Answer \: with \: Explanation} \downarrow}[/tex]
[tex] \large \sf- \frac { 7 } { 6 } = - \frac { 1 } { 3 } k \\ [/tex]
[tex] \large \sf-\frac{7}{6}\left(-3\right)=k \\ [/tex]
[tex] \large \sf\frac{-7\left(-3\right)}{6}=k \\ [/tex]
[tex] \large \sf\frac{21}{6}=k \\ [/tex]
[tex] \large \sf\frac{7}{2}=k \\ [/tex]
[tex] \large \boxed{ \bf \: k = \frac{7}{2} = 3\frac{1}{2} = 3.5}[/tex]