A) x/2 = 4 + 3x /•2
x = 8 + 6x
-8 = 6x - x
-8 = 5x /:5
-8/5 = x
-1 3/5 = x
B) (3x + 2)/3 + 2 = (5x - 1)/2 /•6
6x + 4 + 12 = 15x - 3
4 + 12 + 3 = 15x - 6x
19 = 9x /:9
19/9 = x
2 1/9 = x
C) (x - 2)/5 - (4x - 1)/3 = x - 1 /•15
3x - 6 - 20x - 5 = 15x - 15
15 - 6 - 5 = 15x + 20x - 3x
4 = 32x. /:32
4/32 = x
1/8 = x