Question

Задание на фото
Даю 50 баллов

Answer 1

Ответ.

$\left\{\begin{array}{l}y+25x=2\\4y-25x=4\end{array}\right\ \oplus \ \left\{\begin{array}{l}25x=2-y\\5y=6\end{array}\right\ \ \left\{\begin{array}{l}25x=2-\frac{6}{5}\\y=\frac{6}{5}\end{array}\right\ \ \left\{\begin{array}{l}25x=\dfrac{4}{5}\\y=1\dfrac{1}{5}\end{array}\right\\\\\\\left\{\begin{array}{l}x=\dfrac{4}{125}\\\ \ \ y=1\dfrac{1}{5}\end{array}\right$