5/9÷x=10/11
5/9=10/11x
x=11/18
1+3/4x=2
3/4x=1
x=4/3
(x-6)*5/6=25
x-6=30
x=36
(3/4+2/3)x=17/24
17/12x=17/24
x=1/2
5x-3*7/10=7/5
5x=7/5+21/10
5x=14/10+21/10
5x=35/10
x=7/10
4/5+1/2x=9/10
8+5x=9
5x=1
x=1/5
3/4x+1/4=1/2
3/4x=1/2-1/4
3/4x=1/4
x=1/3
1.75x-1/2x=6.25
1.75x-0.5x=6.25
1.25x=6.25
x=5