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5*x+2 = (5/2)*(1-(2*x)) // - (5/2)*(1-(2*x))
5*x-((5/2)*(1-(2*x)))+2 = 0
(-5/2)*(1-2*x)+5*x+2 = 0
5*x-5/2*(1-2*x)+2 = 0
5*x-5/2*(1-2*x)+2 = 0
10*x-5/2+2 = 0
10*x-1/2 = 0
10*x-1/2 = 0
10*x-1/2 = 0 // + 1/2
10*x = 1/2 // : 10
x = 1/2/10
x = 1/20
x = 1/20
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