Respuesta :

blackshades

c = 8

d = -5

3 (c + d) [Substitute the values of c & d]

= 3 (8 - 5)

= 3 - 3

= 0

Hope it helps!

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gomigomi

Answer:

9

Step-by-step explanation:

3(8+(-5))=3 X (8-5)

=3x3

=9