2009 - 1992 = 17.
2009 minus 1970 is 39
1992 - 2010 = -18
1992 - 1971 = 1921
1992
the answer is... 19
11000-2009=
20 years minus 2012 equals 1992. This is calculated by subtracting 20 from 2012, resulting in the year 1992.
2009 - 1929 = 80
2009 - 1924 = 85
2009 - 1987 = 22
2009 - 1820 = 189
2009-123=1886