If it's not what You are looking for type in the equation solver your own equation and let us solve it.
x in (-oo:+oo)
5/3 = x+7/9 // - x+7/9
5/3-x-(7/9) = 0
5/3-x-7/9 = 0
8/9-x = 0 // - 8/9
-x = -8/9 // * -1
x = 8/9
x = 8/9
| 4+x=49/10 | | 73/10=x+3/10 | | -4/7=x+3/7 | | x+4/5=24/55 | | 5/8=x-1/8 | | 5/7x=5/7 | | x-3/5=-18/5 | | -2/3x=8 | | -41/56=x-6/7 | | x+3/7=5/77 | | x/-7=-3 | | x2/3-7x1/3+6=0 | | 1/2*29*10 | | 33/5=x+6 | | 7/9+x=115/9 | | x/-3=-3 | | -4/9+x=10/99 | | x-1=-1/4 | | -x=-11/12 | | x2/5-10x1/5+9=0 | | -2/7+x=54/7 | | x+3/8=35/8 | | x/6=-5/7 | | x+2/9=-25/9 | | -1/2x=-9/20 | | -52/7=x-8 | | -1/6=x+5/6 | | x+3=25/8 | | x+1=19/12 | | 4x=28/11 | | 62-19x=49-5.8x | | x-2/3=13/3 |