6x+7y-4z-2x+3y-z+5x+5y+7z

asked Oct 25, 2021 104k views

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3 votes

Answer:

9x+15y+2z

Explanation:

- just combine like terms

6x+7y-4z-2x+3y-z+5x+5y+7z

9x+7y-4z+3y-z+5y+7z

9x+15y-4z-z+7z

9x+15y+2z

Fqdn answered Oct 31, 2021

by Fqdn

5.0k points

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