1. 1 (ост.1), 2. 0 (ост.7) 3. 3 (ост. 6) 4. 5 (ост.5) 5. 5 (ост.6) 6. 7 (ост.2) 7. 5 (ост.1) 8. 5 (ост.6) 9. 3 (ост.9) 10. 4 (ост.8)
5a = -a-13
5а+а=-13
6а=-13
а=-13/6
а=-2 1/6
6-4у=у+3
6-3=у+4у
5у=3
у=3/5
9х = 8х-6
9х-8х=-6
х=-6
-5 (z-7) = 30 - (2z+1)
-5z+35 = 30-2z-1
35-29=-2z+5z
3z=6
z=2
5 6/10 -2 8/10 = 4 16/10 - 2 8/10 = 2 8/10= 2 4/5