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7z-[(2z+y)-(-5y+3z)+9]-12z
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5 votes
7z-[(2z+y)-(-5y+3z)+9]-12z

User Munchybunch
by
7.1k points

1 Answer

5 votes

Answer:

-4z-6y-9

Explanation:

7z-[(2z+y)-(-5y+3z)+9]-12z

=7z-[2z+y+5y-3z+9]-12z

=7z-2z-y-5y+3z-9-12z

=7z-2z-12z+3z-y-5y-9

=-4z-6y-9

User Dey
by
7.6k points
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