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X - y = 10 . . . (1) 2x + y = 2 . . . (2)

(1) + (2) => 3x = 12
x = 12/3 = 4

From (1), 4 - y = 10
y = 4 - 10 = -6

x = 4, y = -6

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X - y = 10 . . . (1) 2x + y = 2 . . . (2)

(1) + (2) => 3x = 12
x = 12/3 = 4
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