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Combine any like terms in the expression. If there are no like terms, rewrite the expression.\newline3z+z−z3z + z - z

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Full solution

Q. Combine any like terms in the expression. If there are no like terms, rewrite the expression.\newline3z+z−z3z + z - z
  1. Identify like terms: Identify and combine like terms. All terms involve zz.\newline3z+z−z3z + z - z \newline=(3+1−1)z= (3 + 1 - 1)z \newline=3z= 3z

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