\[y = 2x;\ \ \ y = 6 - x\]
\[2x = 6 - x\]
\[2x + x = 6\]
\[3x = 6\]
\[x = 2;\]
\[y = 2 \cdot 2 = 4.\]
\[Точка\ пересечения\ графиков:\]
\[(2;4).\]