Answer:
27,77
1 saatte 3600 saniye var
100 km de 100.000 metre yapar o halde
100.000/3600 = 27,77 m/sn yapar
alıntıdır (◍•ᴗ•◍)
-4x +12 -12 = -4 -12
-4x = -16
x = 4
I'm not at my desk and can't check it out right now.
But I think you should try 10 and -42 .
