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

Determine whether 3x+12+x is equivalent to 4(3+x). Use properties of operations to justify your answer
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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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User RvPr
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Yes, 3x+12+x=4x+12 and 4(3+x)= 12+4x therefore 4x+12=4x+12
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User ChrisF
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2 votes
No because when you DISTRIBUTE the 4 through the parenthesis in becomes 12+12x. 
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User Berndbausch
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