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3x + y = 7 |x2 |
6x - 12y = 12
6x + 2y = 14
___________-
-14y = - 2
y = 1/7
2x - 4y = 4 -> -4y = -2x +4
y = - 3x + 7 -> -4y = 12x - 28
-4y = -2x +4
12x - 28 = -2x +4
12x + 2x = 28 + 4
14x = 32
x = 32/14
Hp = {( 32/14, 1/7)}