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-4 = -25/8 // + -25/8
x-(-25/8)-4 = 0
x+25/8-4 = 0
x-7/8 = 0 // + 7/8
x = 7/8
x = 7/8
| x-1/8=23/8 | | x/2=-2 | | 27/4=x+6 | | 4/7x=12/7 | | 26/21=x+4/7 | | 4/5+x=13/60 | | x-3/7=4/7 | | -4/5+x=56/5 | | x-1=-5/4 | | -7x=-49/11 | | -6x=18/5 | | x+4/5=17/15 | | x/2=-2/3 | | 1/5+x=11/30 | | x+7/8=93/88 | | x+9/10=47/30 | | x+2/7=16/7 | | x/-7=-3/5 | | 10+x=71/7 | | x/-3=5/6 | | -2/5x=-2/45 | | x+10=74/7 | | x+1/6=55/6 | | 7/18=x-1/6 | | x/2=-3/5 | | x+2/3=11/3 | | 1/2+x=13/10 | | x+1/2=-1/2 | | x+5/8=61/8 | | x-5=-48/11 | | 9/8=x+1/2 | | -1/6=x-1 |