5/6 a-1 1/3+3/4 x-1/4 x=-1/2 a+1/2 x
3/8 m-1/3 x+1 1/4 m+1 1/6 x=1 1/4 m+3/8 m+1 1/6 x-1/3 x=1 5/8 m+5/6 x
4/5-1,5n-0,6-1/2 n+2n=4/5-3/5+2n-15/10 n-1/2 n=1/5+2n-2n=1/5
удачи
5/6 a-1 1/3+3/4 x-1/4 x=-1/2 a+1/2 x
3/8 m-1/3 x+1 1/4 m+1 1/6 x=1 1/4 m+3/8 m+1 1/6 x-1/3 x=1 5/8 m+5/6 x
4/5-1,5n-0,6-1/2 n+2n=4/5-3/5+2n-15/10 n-1/2 n=1/5+2n-2n=1/5
удачи