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27-11-2017
Mathematics

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Two-thirds Times a number plus 7 equals 7 minutes the number. Find the number

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Аноним Аноним

30-11-2017

2/3x + 7 = x-7
+7 +7
---------------------
2/3x + 14 = x
-2/3x -2/3x
----------------------
14 = 1/3x
*3 *3
-------------
42 = x

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