SOLUTION: how do i use the associate law of addition to write an equivalent expression? (x+a)+7b

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Question 520914: how do i use the associate law of addition to write an equivalent expression?
(x+a)+7b
Answer by deborabr(181) About Me  (Show Source):
You can put this solution on YOUR website!
(x+a)+7b = a+(7b+x)
or
(x+a)+7b = x+(7b+a)
you just replace the numbers