\[y = 1,3x - 4\ \ \ \ и\ \ \ \ y = 12 - 2,7x\]
\[1,3x - 4 = 12 - 2,7x\]
\[4x = 16\]
\[x = 4.\]
\[y = 1,3 \cdot 4 - 4 = 1,2.\]
\[Точка\ пересечения\ \]
\[графиков\ (4;1,2).\]