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Help please !!!!!!!!!!!

Help please !!!!!!!!!!!-example-1
User Gnucki
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2 Answers

4 votes
the answer would be the second or third one as you need to add on the minus seven, i think the third is correct but i’m not 100% sure on what the addition property of equality is or what the commutative property of addition
User Bon Ryu
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2 votes
I think the answer is D.
User Kolchanov
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