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(x-3)/4 = 5.5 // - 5.5
(x-3)/4-5.5 = 0
(x-3)/4+(-5.5*4)/4 = 0
x-5.5*4-3 = 0
x-25 = 0
(x-25)/4 = 0
(x-25)/4 = 0 // * 4
x-25 = 0
x-25 = 0 // + 25
x = 25
x = 25
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