Respuesta :

Answer:

d

Step-by-step explanation:

Given

32cd = 11cd - 42 ( subtract 11cd from both sides )

21cd = - 42 ( divide both sides by 21 )

cd = - 2 → d

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32cd = 11 cd − 42 : Subtract 11cd from both sides.

32cd = 11cd − 42
-11cd − 11cd
21c = −42

Divide both sides by 21.
21cd /21 = −42/21

cd = −2