81/17-(x+2 3/17)=4 7/17 x=? с решением

8 1/17 - ( x + 2 3/17 ) = 4 7/17x 
8 1/17 - x - 2 3/17 = 4 7/17x 
7 18/17 - 2 3/17 = 4 7/17x + x 
5 15/17 = 5 7/17x 
x = 5 15/17 : 5 7/17 
x = 100/17 : 92/17 
x = 100/92 
x = 25/23 
x = 1 2/23