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Which expression is equivalent to 6x + 7- 12.2 - (32 + 2) - x?(A)7x - 28B7x - 21©5x - 28D5x - 21please hurry
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Which expression is equivalent to 6x + 7- 12.2 - (32 + 2) - x?(A)7x - 28B7x - 21©5x - 28D5x - 21please hurry

User RamanSB
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\begin{gathered} 6x+7-12\cdot2-(3^2+2)-x=6x-x+7-24-(9+2) \\ =5x+7-24-11 \\ =5x-28 \\ \\ \text{ The answer is 5x-28!} \end{gathered}

User Charles Smith
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User Nikola Hristov
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2x+y=21;y=-2x+21please hurry I need this straight away use any method
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