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12 votes
Simplify
-(z-y+2x)-2(-x-y+z)

1 Answer

7 votes

Answer:


3 y - 3 z

Explanation:


-(z-y+2x)-2(-x-y+z)


-z+y-2x+2x+2y-2z

Group similar terms together


-2x+2x+y+2y-2z-z

adding similar terms


3 y - 3 z

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