yazzzz1417 yazzzz1417

19-09-2018
Mathematics

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need help please !!!!

need help please class=

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imconfusedplzhelp imconfusedplzhelp

19-09-2018

I believe it is 42 because 21-(-14) would be -35 and then subtract -7 witch you would add because and it would be 42 because a negative and a negative equal a postive but I really don't know but I tried

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