Katiebug143 Katiebug143

15-04-2014
Mathematics

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what is a+2 divided by 2 = -1?

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Аноним Аноним

15-04-2014

[tex]\frac{a+2}{2}=-1\ \ \ /\cdot2\\\\2\cdot\frac{a+2}{2}=-1\cdot2\\\\a+2=-2\ \ \ /-2\\\\a+2-2=-2-2\\\\a=-4[/tex]

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