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2*(3*x-15) = 14*(34/2) // - 14*(34/2)
2*(3*x-15)-(14*(34/2)) = 0
2*(3*x-15)-238 = 0
2*(3*x-15)-238 = 0
6*x-268 = 0
6*x-268 = 0
6*x-268 = 0 // + 268
6*x = 268 // : 6
x = 268/6
x = 134/3
x = 134/3
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