Question

Реши систему уравнений {-5k=12 k+m=-3

Answer 1

Объяснение:

$\left \{ {{-5k=12\ |:(-5)} \atop {k+m=-3}} \right. \ \ \ \ \left \{ {{k=-2,4} \atop {k+m=-3}} \right. \ \ \ \ \ \left \{ {{k=-2,4} \atop {-2,4+m=-3}} \right.\ \ \ \ \ \left \{ {k=-2,4} \atop {m=-0,6}} \right. .$

Ответ: k=-2,4   m=-0,6.