Respuesta :

Follow the rules of subtraction of matrices

6-(c+2)=22

6-c-2=22

-c=22-6+2

-c=18

Multiply both sides by -

C=-18

15-(d-4)=17

15-d+4=17

-d=17-4-15

-d=-2

Multiply both sides by-

D=2

Therefore, C=-18 and D=2, is the collect option