Evaluate d-6 when d = - 8

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.