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OpenStudy (anonymous):
-7 + x = 13 x = __________
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OpenStudy (anonymous):
thanks
OpenStudy (anonymous):
20
OpenStudy (uri):
-7 + x = 13 x =13 +7 x =20 ans.
OpenStudy (anonymous):
thanks
OpenStudy (dls):
uri is a born genius
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OpenStudy (uri):
o_O
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