X+10/21=2/21 X:(2целых 2/3)= -3/14

Question

X+10/21=2/21
X:(2целых 2/3)= -3/14

Answer 1

1) x+10/21=2/21
    x=2/21-10/21
    x=-8/21
2) x/2 2/3=-3/14
    -14x=3*8/3
    -14x=8
    x=-4/7