(1 3/4-1 19/48)*х=1 2/3-3 5/7
1 3/4х-1 19/48х= -43/21
17/48х= -43/21
х= -43/21:17/48
х= -5 93/119
(1 3/4-1 19/48)х=1 2/3-3 5/7
(1 36/48-1 19/48)х=1 14/21-3 15/21
17/48 х=-2 1/21
17/48 х=-43/21
х=-43/21 * 48/17
х=-688/119
х=-5 93/119
