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3*(1*x-2) = -71/2 // + -71/2
3*(1*x-2)-(-71/2) = 0
3*(x-2)+71/2 = 0
(2*3*(x-2))/2+71/2 = 0
2*3*(x-2)+71 = 0
6*x+59 = 0
(6*x+59)/2 = 0
(6*x+59)/2 = 0 // * 2
6*x+59 = 0
6*x+59 = 0 // - 59
6*x = -59 // : 6
x = -59/6
x = -59/6
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