Katiebug143
Katiebug143
15-04-2014
Mathematics
contestada
what is a+2 divided by 2 = -1?
Respuesta :
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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