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Simplify the expression 9xy + 6xy − 2xy. What is the coefficient of the simplified expression?
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Simplify the expression 9xy + 6xy − 2xy. What is the coefficient of the simplified expression?

User Mikael Rousson
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2 Answers

7 votes
9xy + 6xy - 2xy
13xy is the answer. THey are all like terms so just add then subtract.
User Dany L
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5 votes
Hi there!

To find our answer we need to collect the terms of the expression.


9xy + 6xy - 2xy = \\ 15xy - 2xy = \\ 13xy

The coefficient (which is the number just before the variable) of the simplified expression is 13.
User Elou
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