Пожалуйста помогите срочно
{2х + y = 9
{ 3x -2у=10
1 Смотреть ответ Pandovna Pandovna 1)y=9-2x
2)3x-2(9-2x)=10
3x-18+4x-10=0
7x=28
x=4
3)y=9-2•4=9-8=1
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