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