Объяснение:
5x - 2(4x - 4) = 11
5x - 8x + 8 = 11
-3x = 11 - 8
-3x = 3
x = -3 : 3
x = -1
y = 4x - 4
y = 4*(-1) - 4
y = -4 - 4
y = -8
ответ: x = -1, y = -8.
:::::Объяснение:::::
![\[\left\{ \begin{array}{l}5x-2y=11\\4x-y=4\end{array} \right.\left\{ \begin{array}{l}5x - 2y = 11\\y = 4x -4\end{array} \right.\left\{ \begin{array}{l}5x - 2(4x - 4) = 11\\y = 4x - 4\end{array} \right.\]](/tpl/images/0168/8352/8ce41.png)
