Решите графически систему:
{5x -y=11
{-10x+2y=-22
Подробно с рисунком.
Смотреть ответ аня3149 аня3149 5x-y=11
-y=11-5x
y=11+5x
-10x+2(11+5x)=22
-10x+22+10x=22
x=22-22
x=0
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