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3*(x-3) = 66/11 // - 66/11
3*(x-3)-(66/11) = 0
3*(x-3)-6 = 0
3*(x-3)-6 = 0
3*x-15 = 0
3*x-15 = 0
3*x-15 = 0 // + 15
3*x = 15 // : 3
x = 15/3
x = 5
x = 5
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