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)
x-(5/8) = -57/40 // + -57/40
x-(5/8)-(-57/40) = 0
x-5/8+57/40 = 0
x+4/5 = 0 // - 4/5
x = -4/5
x = -4/5
| 5/6x=-5 | | x+2/5=79/60 | | 5x/8+2=42 | | x+1/6=29/30 | | x-1/5=-13/15 | | x/4=-1 | | 63/5=x+3/5 | | x+4/7=-5/28 | | 4/7x=24/7 | | -1/2+x=-5/22 | | x+4/7=11/7 | | 10+x=92/9 | | x+2/7=73/84 | | x+1/4=-1/12 | | x-6=-31/6 | | x+8=29/4 | | x-9=-55/6 | | x-4/5=-21/20 | | x+3=8/3 | | 2/3+x=25/24 | | x+8/9=80/9 | | x+8/9=35/9 | | c+6=-2 | | x+3/5=73/55 | | x+1=12/11 | | 5/9+x=-8/99 | | x+4/9=17/18 | | 15/4=x+3/4 | | x+2/5=-43/5 | | 3/7x=3/28 | | 44/5=x+4/5 | | 4(x+3)+2-8(x+4)=2x-3-4(x+2)-60/x |