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11-04-2022
Mathematics

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• Write an expression that is equivalent to 3(7 + x).
3(7+ x) =

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reinhard10158 reinhard10158

11-04-2022

Step-by-step explanation:

3(7 + x) = 3×7 + 3x = 21 + 3x

remember, when you multiply two expressions, you need to multiply every term of the first expression with every term of the second expression, and then add all partial results (by considering the individual signs, of course).

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