Ответ:
2x + y = -2
-4x +2y =4
y = -2 - 2x
-4x + 2y = 4
-4x + 2(-2-2x) =4
-4x - 4 - 4x = 4
-8x = 8
x = -1
y = -2 - 2×(-1)
y = -2 + 2
y = 0
(-1;0)
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Answers & Comments
Ответ:
2x + y = -2
-4x +2y =4
y = -2 - 2x
-4x + 2y = 4
-4x + 2(-2-2x) =4
-4x - 4 - 4x = 4
-8x = 8
x = -1
y = -2 - 2x
y = -2 - 2×(-1)
y = -2 + 2
y = 0
(-1;0)
Ответ:
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