You have the following expression:
[tex]2d-7c[/tex]where
c = -7.6
d = -8.2
reaplace the previous values into the given expression, and simplify, as follow:
[tex]2(-8.2)-7(-7.6)=-16.4+53.2=36.8[/tex]where it has been taken into account the law of signs.
Then, the anwe
