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24-11-2014
Mathematics

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Solve for r:

-5 = 7 + 3r

Respuesta :

24-11-2014

[tex]-5=7+3r\ \ \ \ \ \ |combine\ like\ terms\\\\-5-7=3r\\\\-12=3r\ \ \ \ \ \ \ |:3\\\\r=-4[/tex]

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SchwarzschildRadius SchwarzschildRadius

24-11-2014

So,

-5 = 7 + 3r
(subtract 7 from both sides)
-12 = 3r
(divide both sides by 3)
-4 = r

Answer Link

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