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x in (-oo:+oo)
3*(x-5) = 117/13 // - 117/13
3*(x-5)-(117/13) = 0
3*(x-5)-9 = 0
3*(x-5)-9 = 0
3*x-24 = 0
3*x-24 = 0
3*x-24 = 0 // + 24
3*x = 24 // : 3
x = 24/3
x = 8
x = 8
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