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0.55 = (x-65)/5 // - (x-65)/5
0.55-((x-65)/5) = 0
(-1*(x-65))/5+0.55 = 0
(-1*(x-65))/5+(0.55*5)/5 = 0
0.55*5-1*(x-65) = 0
67.75-x = 0
(67.75-x)/5 = 0
(67.75-x)/5 = 0 // * 5
67.75-x = 0
67.75-x = 0 // - 67.75
-x = -67.75 // * -1
x = 67.75
x = 67.75
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