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20-01-2017
Mathematics

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Determine whether 3x+12+x is equivalent to 4(3+x). Use properties of operations to justify your answer

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20-01-2017

No because when you DISTRIBUTE the 4 through the parenthesis in becomes 12+12x.

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20-01-2017

Yes, 3x+12+x=4x+12 and 4(3+x)= 12+4x therefore 4x+12=4x+12

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