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x in (-oo:+oo)
-4*x-(5/2) = (7/3)*x-(7/4) // - (7/3)*x-(7/4)
7/4-4*x-((7/3)*x)-(5/2) = 0
(-7/3)*x-4*x-5/2+7/4 = 0
-19/3*x-3/4 = 0 // + 3/4
-19/3*x = 3/4 // : -19/3
x = 3/4/(-19/3)
x = -9/76
x = -9/76
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