Question

4 3/4-(x-2 5/8)=3 5/6
9 9/28-(4 5/21-x)=6 2/7

Answer 1

1)
4,75-x+2,625=3 5/6
7,375-x=3 5/6
7 3/8 - 3 5/6=x
3 13/24=x
2)
9 9/28 - 4 5/21 + x=6 2/7
5 1/12 + x=6 2/7
x=1 17/84