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問題

解法ステップ

1. Understand the question

   Turn 1 Question

   1. 15y - 7y + 7 + 5 = ______

   Turn 2 Question

   Send a few similar problems

2. Response

   Turn 1 Answer

3. Explanation

   Step1: Combine like variable terms

   $15y - 7y = (15-7)y = 8y$

   Step2: Combine constant terms

   $7 + 5 = 12$

   Step3: Combine the two results

   $8y + 12$

   Turn 2 Answer

   Knowledge Points:

   • Combining like terms (terms with the same variable and terms without variables)
   • Simplifying algebraic expressions by performing arithmetic operations on coefficients of like terms and constants separately
   • Applying the distributive property (implicitly when combining like terms, e.g., \(ax + bx=(a + b)x\))

   Quiz problems:

   1. Simplify the expression \(12x - 5x+8 + 3\).
   2. Simplify \(9a+4a - 6 - 2\).
   3. Simplify \(10b-3b + 9+7\).
4. Final answer

   $8y + 12$

答え

Question Analysis

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