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x in (-oo:+oo)
2*x-(7/4) = 3*x-(6/8) // - 3*x-(6/8)
2*x-(3*x)-(7/4)+6/8 = 0
2*x-3*x-7/4+6/8 = 0
-x-1 = 0 // + 1
-x = 1 // * -1
x = -1
x = -1
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