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)
(1/3)*((2/5)*x-(3/7)) = 0
(1/3)*((2/5)*x-3/7) = 0
1/3*(2/5*x-3/7) = 0
( 1/3 )
1/3 = 0
x belongs to the empty set
( 2/5*x-3/7 )
2/5*x-3/7 = 0 // + 3/7
2/5*x = 3/7 // : 2/5
x = 3/7/2/5
x = 15/14
x = 15/14
| 32y^7-36y^4/4y^3 | | 23+(-29)(-23)-16= | | 1(x+2)-3(x-1)=3x-1 | | 2y+12=-3(2y+8) | | 3/4=j-12 | | 12e=13c+12z+6f+3d+2a | | 3+.75=2.25 | | 1(x+2)-3(x-1)=-1 | | N-4-8=-42 | | 4x-4=3x+13 | | 42=7d | | 4(6x+1)=12 | | -36-7v=2(1-7v)-3 | | 4x-8=-2x+25 | | 4.9x=24.99 | | F(x)=7x-1/8 | | 8x-4=7x+9 | | 2x/x^2-81 | | 2=6y-x | | -x/3=24=26 | | 7/5x=-21 | | x/5-1=5/4-x/4 | | 360=(6x+20)+y+2(4x) | | 1.8(-0.2x-1.8)+5.5x=27.6 | | d/7=1.5 | | 26=-x/3=24 | | 5-x^2=1/4*x^2 | | 3(6x+1)=2(16x-2) | | -5=-10x+y | | 11=x/9-21 | | x/5.00-200.0/5.00=575.00 | | 2x+9=15 |