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(6x+12) + 78 + (3x-12)

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User Benface
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1 Answer

5 votes

Answer:


9x+78

Explanation:


(6x+12) + 78 + (3x-12)= \\\\6x+3x+12-12+78=\\\\9x+78

Hope this helps!

answered
User Alinsoar
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