SOLUTION: A student says that the algebraic expression 5 plus x multiplied by 7 can also be written as 5 plus 7x. Is the student correct?explain.
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Question 772247: A student says that the algebraic expression 5 plus x multiplied by 7 can also be written as 5 plus 7x. Is the student correct?explain.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
Yes and no. "5 plus x multiplied by 7" is ambiguous and could mean either "the quantity 5 plus x, multiplied by 7" which would be rendered )
or "5 plus the quantity x multiplied by 7" which would be rendered as 
. So the answer to the question posed depends on whether the student is incorrectly asserting that is the ONLY way to symbolically express the statement , or if the student is correctly asserting that is an alternative to as a way to represent "5 plus x multiplied by 7" because of the aforementioned ambiguity.
John
Egw to Beta kai to Sigma
My calculator said it, I believe it, that settles it
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