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

User RvPr
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2 Answers

5 votes
Yes, 3x+12+x=4x+12 and 4(3+x)= 12+4x therefore 4x+12=4x+12
User ChrisF
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6.9k points
2 votes
No because when you DISTRIBUTE the 4 through the parenthesis in becomes 12+12x. 
User Berndbausch
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