4(05q-6)-14q+21 при q=1/3

Question

4(05q-6)-14q+21 при q=1/3

Answer 1

4(0,5q - 6) - 14q + 21 = 2q - 24 - 14q + 21 = -12q - 3

При q = 1/3:    -12q - 3 = -12/3 - 3 = -4 - 3 = -7