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)
2-((2/5)*x) = 4/15-3*x // - 4/15-3*x
2-((2/5)*x)-(-3*x)-(4/15) = 0
(-2/5)*x+3*x-4/15+2 = 0
13/5*x+26/15 = 0 // - 26/15
13/5*x = -26/15 // : 13/5
x = -26/15/13/5
x = -2/3
x = -2/3
| 2x+3/10=-x-177/10 | | 4x+3=-1/2x+30 | | -3/4+3x=2x+9/4 | | 10-3/7x=-6x+583/70 | | -5x-2/3=-179/6+5/6x | | 2/5x+1/3=-x-247/15 | | 1/4+6/7x=1/4x-5/14 | | -7+x=3x-29/4 | | -1/3x+10=3x+130/11 | | 5x+4=43/5+2/5x | | 6x+2/7=-2/5x+178/35 | | -x-10=6x-163/10 | | x-6=-28/5+3/5x | | 4/5+6x=-7x-451/5 | | 4/9+2x=4/7x+1108/63 | | 2/5-4/7x=2x-6/35 | | 3/5x+1/5=-1+x | | -1/2x+1/8=-7/8+x | | 3x-7=2x-19 | | 3/5x-2/5=229/5-6x | | 9+x=3x+31/4 | | 4x-9/10=-493/10-2/5x | | 6x+3/5=x+43/30 | | -2/7x+1=-6x+23/63 | | 7+x=3x+17/3 | | 3x-1/5=4x+34/55 | | 5-1/2x=1/2x+1 | | 4/5x-2/3=x+11/15 | | -x-1/8=-4/5x+7/200 | | x+1/5=6x+136/55 | | -1/2x+3/10=2x-247/10 | | 5/7-6x=-7x+61/7 |