how old am i if 400 reduced by 2 times my age is 244
400 - 2Age = 244 <<-2 Age = -156So our age = 78 years, months, days, hours since there were no actual units supplied.400 - 2x = 244-2x = 244 - 400-2x = -156x = -156/-2A better example above as above was just a simplified version.
