Question

Решите систему плиз!!!

Answer 1

Ответ:  (4,8) .

Объяснение:

$\left \{ {{\frac{x}{6}+\frac{y}{6}=2\; |\cdot 6} \atop {\frac{x}{10}+\frac{y}{5}=2\, |\cdot 10}} \right. \left \{ {{x+y=12} \atop {x+2y=20}} \right.\; \ominus \; \left \{ {{x+y=12} \atop {-y=-8}} \right.\; \; \left \{ {{x=12-8} \atop {y=8}} \right.\; \; \left \{ {{x=4} \atop {y=8}} \right. \; \; \to \; \; (4,8)$