-(4 2/3 - 1 3/4)-(-x)=-5 1/3
-(56/12-21/12)+х=-64/12
35/12-х=64/12
х=35/12-64/12
х=-29/12
х=-2 5/12
-14 + 3,25 + х = -17
х = 10,75 - 17
х = 6,25
ответ: 6,25
-(4 2/3 - 1 3/4)-(-x)=-5 1/3
-(56/12-21/12)+х=-64/12
35/12-х=64/12
х=35/12-64/12
х=-29/12
х=-2 5/12
-14 + 3,25 + х = -17
х = 10,75 - 17
х = 6,25
ответ: 6,25