解方程:
(1)$2x - 1 = 3$; (2)$- \frac{1}{3}x - 5 = 4$; (3)$5x + 1 = 9$;
(4)$2x + 1 = 7$; (5)$- \frac{1}{2}x - 2 = 6$; (6)$- \frac{2}{3}x + 3 = - 15$;
(7)$\frac{5}{6} - x = \frac{1}{2}$; (8)$x - \frac{1}{2} = \frac{3}{8}$; (9)$\frac{3}{5} + 2x = \frac{9}{10}$;
(10)$4x - 3 = - 4$.
(1)$2x - 1 = 3$; (2)$- \frac{1}{3}x - 5 = 4$; (3)$5x + 1 = 9$;
(4)$2x + 1 = 7$; (5)$- \frac{1}{2}x - 2 = 6$; (6)$- \frac{2}{3}x + 3 = - 15$;
(7)$\frac{5}{6} - x = \frac{1}{2}$; (8)$x - \frac{1}{2} = \frac{3}{8}$; (9)$\frac{3}{5} + 2x = \frac{9}{10}$;
(10)$4x - 3 = - 4$.
答案:
(1)x=2
(2)x=-27
(3)x=1.6
(4)x=3
(5)x=-16
(6)x=27
(7)x=$\frac{1}{3}$
(8)x=$\frac{7}{8}$
(9)x=$\frac{3}{20}$
(10)x=-$\frac{1}{4}$
(1)x=2
(2)x=-27
(3)x=1.6
(4)x=3
(5)x=-16
(6)x=27
(7)x=$\frac{1}{3}$
(8)x=$\frac{7}{8}$
(9)x=$\frac{3}{20}$
(10)x=-$\frac{1}{4}$
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