33 25/25-30 17/14 = 34 - 31 3/14 = 33 14/14 - 31 3/14 = 2 11/14
|AB|=корень(3-6)^2+(-9-(-5))=корень9+16=корень 25=5
173-х=79
х=173-79
х=94
52+х=84
х=84-52
х=32
9х+32=59
9х= 59-32
9х=27
х=27:9
х=3
1 5/6-(у+2/3)=1 1/2
1 5/6-у-2/3=1 1/2
-у=1 1/2+2/3-1 5/6
у=-1/3