12 negative 6 July 8, 2019 16 32 64 128 12 minus negative 6 12 plus negative 6 12 times negative 6 12 divided negative 6 12 x negative 6 12 over negative 6 12 over negative 6 simplified Negative 12 plus 60 Negative 12 minus 60 Negative 12 plus 63 Positive 12 minus negative 6 Negative 12 plus positive 6