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