Respuesta :

c) (-5, 0)

Working;
Use the formula;
x coordinate=[tex] \frac{ k_{1} x_{B}+ k_{2} x_{A} }{ k_{1} + k_{2} } [/tex][tex] \frac{ k_{1} y_{B} + k_{2} y_{A} }{ k_{1} + k_{2} } [/tex]