Respuesta :

3r+2(12r+7)<=5r-8 distribute by mult. 2 to everything in parenthesis

3r+24r+14<=5r-8  add 3r and 24 r

27r+14<=5r-8   subt 5r and subt 14

27r-5r<+-8-14

22r<+-22  divide by 22

22r/22<=-22/22

r<= -1

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