Answer :

luana
[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]

Other Questions