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Mathematics 18 Online
OpenStudy (anonymous):

SIMPLIFY -5Z +4N+ 18Z-10N

OpenStudy (anonymous):

You must combine common terms so add the N's together and the Z's together: -5Z+4N+18Z-10N =13Z-6N

OpenStudy (anonymous):

add -5z and 18z to get 13z add 4n and -10n to get -6n so you end up with 13z-6n

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