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2.5*x-(3/2) = 0.5*x-(7/4) // - 0.5*x-(7/4)
2.5*x-(0.5*x)-(3/2)+7/4 = 0
2.5*x-0.5*x-3/2+7/4 = 0
2*x+1/4 = 0 // - 1/4
2*x = -1/4 // : 2
x = -1/4/2
x = -1/8
x = -1/8
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