Which pair of integers (x,y)(x, y)(x,y) satisfies 18x+12y=gcd(18,12)18x + 12y = \gcd(18, 12)18x+12y=gcd(18,12)?
(1,−1)(1, -1)(1,−1)
(2,−2)(2, -2)(2,−2)
(−1,2)(-1, 2)(−1,2)
(3,0)(3, 0)(3,0)