Решите уравнение:
1) x+2/4 - x/3 = 7;
2) 2x-1/3 = x+5/2;
3) x-7/2 - x+1/3 = -3;
4) x-1/6 - x-3/4 = 2;
5) 3x-2/8 - 2x+1/3 = 5-x/6;
6) 5x-1/12 - 2x+1/8 = x-1;
7) 2x-1/2 - 3x+2/5 - 2-5x/10 = 1.