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viktelen [127]
3 years ago
14

PLEASE HELP ME!!!

Mathematics
2 answers:
xeze [42]3 years ago
4 0
<span>associative property of addition and answer is 
</span><span>(u + 7) + 13 = u + (7 + 13)</span>
ElenaW [278]3 years ago
3 0
<span>(u + 7) + 13 = u + (7 + 13) is your answer.

Hope this helps! :)</span>
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