Question

1) Tìm x biết

a) -3/7=x/91

B) x/5=6/-10

C) 2/x=x/8

d) x+1/3=-2/5

e)x -1/5=-2/7

f)-3/8-x=-2/5

g) x:8/11=11/3

h) -1/4.x=5/8.2/3