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Combine like terms: x +x - x + y + y + y - z + z - z
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Combine like terms: x +x - x + y + y + y - z + z - z

User Facundofarias
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1 Answer

5 votes
x + x - x is x
y + y + y is 3y
-z + z - z is -z
x + 3y
User Loretta
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8.3k points
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