Use the commutative and/or associative laws to rewrite the given expression. Label each step with a reason.(6 + y) + 9 as y + 15
What will be an ideal response?
| (6 + y) + 9 = (y + 6) + 9 | Using the commutative law |
= y + 15 Simplifying
Mathematics
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= 7 in. and 
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?
What will be an ideal response?
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
D. 
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