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)
(3/4)*x+8 = 5/4 // - 5/4
(3/4)*x-(5/4)+8 = 0
(3/4)*x-5/4+8 = 0
3/4*x+27/4 = 0 // - 27/4
3/4*x = -27/4 // : 3/4
x = -27/4/3/4
x = -9
x = -9
| 1/3+7x=67/12 | | 2/7x-2/3=-106/231 | | 7x+4=5/3 | | 1/4x-9=-9 | | 6+2x=46/7 | | 4/7x-1/2=73/14 | | 4/5x-9=-26/3 | | 2/3x+1=7/3 | | -2/5x+2=-4/5 | | 4/5x-5/8=327/40 | | 9+4/7x=67/7 | | -1/7x-8=-58/7 | | 3/4x+5/7=-53/14 | | 8-2/3x=17/2 | | -1/2x+2=49/22 | | -2/3-x=-7/6 | | -3/7x+4/7=-26/7 | | -7x-6/7=-79/35 | | 2x-6/7=-6/7 | | -6x+3/4=-57/20 | | 4+2/3x=4/3 | | -4/5-1/2x=-113/110 | | 2-2/7x=122/63 | | 4/7x-1=-3/7 | | 6/7x-1/2=89/14 | | -2/5-4/5x=-4/5 | | 2/3x+4/7=110/21 | | 3/7x-3=-11/4 | | -8+7x=13 | | 1-5x=-31/9 | | 2/3x+4/9=-38/9 | | 1/2x+7=57/8 |