3x + 4y = -7
8x + 4y = -12
------------------- -
-5x = 5, x = -1
3(-1) +4y = -7, 4y = -7 + 3, 4y = -4, y = -1
HP = { -1, -1 }
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3x + 4y = -7
8x + 4y = -12
------------------- -
-5x = 5, x = -1
3(-1) +4y = -7, 4y = -7 + 3, 4y = -4, y = -1
HP = { -1, -1 }