Luztapia Luztapia

25-09-2014
Mathematics

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7-3r=r-4(2+r)
5h-7=5(h-2)+3

Respuesta :

25-09-2014

[tex]7-3r=r-4(2+r)\\\\ 7-3r=r-8-4r\\\\ 7-3r=-8-4r\ \ \ |Add\ 4r\\\\ 7+r=-8\ \ \ |Subtract\ 7\\\\ r=-15\\\\ Solution\ is\ r=-15 [/tex]

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