Correct: 3𝑥 × 4 = 12𝑥, 7𝑥 + 5𝑥 = 12𝑥, 𝑥 × 3 = 3𝑥, 𝑥 + 𝑦 = 𝑥 + 𝑦 , 7 + 𝑦 = 7 + 𝑦, 8a ÷ a = 8, 3a × 4a = 12a2 , 8ab ÷ a = 8b, 3c - 2d - 2c + 8d = c + 6d, Incorrect: 3𝑥 × 4 = 3𝑥4, 7𝑥 + 5𝑥 = 12𝑥2, 𝑥 × 3 = 𝑥3, 𝑥 + 𝑦 = 𝑥𝑦, 7 + 𝑦 = 7𝑦, 8a ÷ a = 7a, 3a × 4a = 12a, 8ab ÷ a = 8a2b, 3c - 2d - 2c + 8d = 1c - 6d, 3c - 2d - 2c + 8d = 7cd,

Simplifying in Algebra

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