\(-3\dfrac{1}{2}x-0,75-1,25x=\left(-\dfrac{1}{2}\right)^2:\dfrac{-3}{4}-\dfrac{1}{-6}\\ -\dfrac{7}{2}x-\dfrac{3}{4}-\dfrac{5}{4}x=\dfrac{1}{4}\cdot\dfrac{4}{-3}+\dfrac{1}{6}\\ \left(-\dfrac{7}{2}x-\dfrac{5}{4}x\right)-\dfrac{3}{4}=-\dfrac{1}{3}+\dfrac{1}{6}\\ -\dfrac{19}{4}x-\dfrac{3}{4}=\dfrac{-1}{3}\\ -\dfrac{19}{4}x=-\dfrac{1}{3}+\dfrac{3}{4}\\ -\dfrac{19}{4}x=\dfrac{5}{12}\\ x=\dfrac{5}{12}:-\dfrac{19}{4}\\ x=\dfrac{-5}{57}\)
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