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*x+3 = 9/2 // - 9/2
5*x-(9/2)+3 = 0
5*x-9/2+3 = 0
5*x-3/2 = 0 // + 3/2
5*x = 3/2 // : 5
x = 3/2/5
x = 3/10
x = 3/10
| -6x-10=-68/5 | | -3/8-5x=-89/24 | | 6/7x-3=-15/7 | | 2/3x-4=-34/9 | | 6/7x-2/3=130/21 | | 7x-5=17/12 | | -3/8+4x=-353/88 | | 2/7x+5=53/7 | | 5/6x+2/7=529/504 | | -5/7x+1=22/7 | | x+9=83/9 | | 5x+1/2=61/2 | | 4/5x-8=-122/15 | | 5x-5/9=40/9 | | -7x+1/3=64/3 | | -4/9+6/7x=-58/9 | | 3/4x+5/9=-115/36 | | 6x-7=-1 | | 1/3x+9=53/6 | | 4+1/2x=71/16 | | x-4/7=73/7 | | 3/4+7x=-197/36 | | -6-6x=66 | | 3x-5=-82/11 | | 8-1/2x=11 | | -6+2/7x=-40/7 | | 1/7x-7=-246/35 | | 5x(3-2)=3 | | 7x-2/3=40/3 | | -2/7x-1/2=-79/126 | | -1/2x-4=-4 | | 1/2x-2=-11/2 |