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3*x+2*x+2/4-(1/2) = 8 // - 8
3*x+2*x+2/4-(1/2)-8 = 0
3*x+2*x+2/4-1/2-8 = 0
5*x-8 = 0 // + 8
5*x = 8 // : 5
x = 8/5
x = 8/5
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