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x in (-oo:+oo)
4*x-(7/4) = x/2 // - x/2
4*x-(x/2)-(7/4) = 0
4*x-(x/2)-7/4 = 0
7/2*x-7/4 = 0 // + 7/4
7/2*x = 7/4 // : 7/2
x = 7/4/7/2
x = 1/2
x = 1/2
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