99.9 - (5.3 + 12*(-0.2))= 99.9 - (5.3 - 2.4)= 99.9 - 2.9= 97.0
Therefore, 99.9 - (5.3 + 12*(-0.2)) is equal to 97.0.
99.9 - (5.3 + 12*(-0.2))
= 99.9 - (5.3 - 2.4)
= 99.9 - 2.9
= 97.0
Therefore, 99.9 - (5.3 + 12*(-0.2)) is equal to 97.0.