5. Өрнектерді ықшамдаңдар. 1) $$\frac{5}{8}x - \left( \frac{1}{4}x - \frac{1}{12}y \right) + \frac{1}{3}y$$ 2) $$9.4y + \left(2x - 11\frac{1}{4}y \right) - 3\frac{5}{9}x$$ 3) $$2\frac{1}{6}y - \left( 7x - 1\frac{3}{4}y \right) + 2\frac{1}{5}x$$ 4) $$3.5x + \left( 6\frac{1}{4}y - 7x \right) - 7y$$