Respuesta :

Americ
= 7c + 5(c - d) - d
multiply 5 by parentheses

= 7c + (5*c) + (5*-d) - d
multiply in parentheses

= 7c + 5c - 5d - d
combine like terms

= 12c - 6d
factor out a 6 from both terms

= 6(2c - d)


ANSWER: (A) 6(2c - d)

Hope this helps! :)

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