1) 2x + 3y = 11
x + y = 4
2) 2x + 3y = 11
-2x + -2y = -8
3) y = 3
4)x + y =4
x + 3 = 4
x = 1
Ответ: x = 1
y = 3
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1) 2x + 3y = 11
x + y = 4
2) 2x + 3y = 11
-2x + -2y = -8
3) y = 3
4)x + y =4
x + 3 = 4
x = 1
Ответ: x = 1
y = 3