Reflect the point (12,−6)(12, -6)(12,−6) across the line x=5x = 5x=5.
(12,−6)(12, -6)(12,−6)
(−2,−6)(-2, -6)(−2,−6)
(12,6)(12, 6)(12,6)
(5,−6)(5, -6)(5,−6)