(7 3/16-5 1/4х)+3 3/4=9 1/16
(7 3/16 - 5 1/4x) + 3 3/4 = 9 1/6 7 3/16 - 5 1/4x + 3 3/4 = 9 1/16 7 3/16 + 3 3/4 - 9 1/16 = 5 1/4x 7 3/16 + 3 12/16 - 9 1/16 = 5 4/16x 1 14/16 = 5 4/16x 17/16 = 84 /16x 17 = 84x x = 17/84