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+2/5 = (3/4)*x+12/5 // - (3/4)*x+12/5
x-((3/4)*x)+2/5-(12/5) = 0
x+(-3/4)*x+2/5-12/5 = 0
1/4*x-2 = 0 // + 2
1/4*x = 2 // : 1/4
x = 2/1/4
x = 8
x = 8
| 9-2/7x=7x+471/7 | | 3/5x-4=-3x+106/5 | | 3x-1/3=-169/3-4x | | 2x+9=-12-x | | 1/2x-6=x-37/6 | | 5/8+5/6x=6x-481/24 | | 1/3x+2/9=-x+110/9 | | 4+2/3x=1/2x+11/3 | | -1/5x+1/3=5x-1/10 | | 3-6x=-5x+10/3 | | 5+3/7x=3/7x+5 | | 2x+9=69/5-4x | | -6/7x-9/10=-234/175+3/5x | | -6x-3/5=4/7x+397/105 | | 7x+1/3=-1/3x+89/3 | | 5x+2/7=318/35+3/5x | | 1/3+2/5x=-5x+1/3 | | -x+2/3=5/6x-7/6 | | 5/8+2x=-4x+11/8 | | 3x+1/8=-109/8+1/4x | | 5x-6=-6x+38 | | 3/4x+5=18+4x | | 2/3+2/5x=1/2x+247/330 | | 2/5+2x=5/7x+37/70 | | 9+1/2x=5/7x+45/7 | | 10-7x=-x+26/5 | | -1/2x+5=14+x | | 3x-1/2=7/18-x | | 4x+6=-2/3x+74/3 | | -6x-8/9=248/63-4/7x | | -2/3+x=2x-38/3 | | P=-8+3p |