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Mathematics 14 Online
OpenStudy (anonymous):

7(r+7)=5r+59

OpenStudy (anonymous):

7r + 49 = 5r + 59 2r = 10 r = 5

OpenStudy (anonymous):

distribute the 7 : 7r + 49 = 5r + 59 move the 49 over to the other side : 7r = 5r + 59 - 49 move the 5r to the other side : 7r - 5r = 10 simplify : 2r = 10 divide the 2 : r = 5

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