Evaluated:
(1) d - 6 = -8 -6
(2) -8 - 6 = -8 + (6)
(3) -8 + (-6) = -14
First you change D into it's correct number which 6.
Second you take the subtraction sign and make it it's opposite.(Addition.)
Third you add -8 and -6 to get -14.
