SOLUTION: ASSOCIATIVE LAW OF ADDITION 4r+(9+s)

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Question 478730: ASSOCIATIVE LAW OF ADDITION
4r+(9+s)
Answer by MathLover1(20849) About Me  (Show Source):
You can put this solution on YOUR website!

for any three numbers a%7D%7D%2C+%7B%7B%7Bb, and c the associative law is expressed as %28a+%2B+b%29%2B+c+=+a+%2B%28b+%2B+c%29....or...a+%2B%28b+%2B+c%29=%28a+%2B+b%29%2B+c+
so, you will have:
4r%2B%289%2Bs%29=%284r%2B9%29%2Bs