2x + 3y = -1
+
4x + 2y = 2
=
6x + 5y = 1 => y = (1-6x)/5
10x/5 + (3-18x)/5 = -1 => 3 - 8x = -5 => x = 1
y = (1 - 6)/5 = -1
Ответ: x = 1 ; y = -1
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2x + 3y = -1
+
4x + 2y = 2
=
6x + 5y = 1 => y = (1-6x)/5
10x/5 + (3-18x)/5 = -1 => 3 - 8x = -5 => x = 1
y = (1 - 6)/5 = -1
Ответ: x = 1 ; y = -1