If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
3*y = 0
y = 0
3*y = 0
3*y = 0
3*y = 0 // : 3
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
2/y+5/2 = 4-(2/(3*y)) // - 4-(2/(3*y))
2/y+2/(3*y)+5/2-4 = 0
8/3*y^-1 = 3/2 // : 8/3
y^-1 = 9/16
-1 < 0
1/(y^1) = 9/16 // * y^1
1 = 9/16*y^1 // : 9/16
16/9 = y^1
y = 16/9
y = 16/9
| 6n-20=-40+2n | | 5(2x+4)=35 | | 9t-8=12+5t | | 2100/1400 | | 2/7x-1=-5/7x+1 | | y^2+16y-262.25=0 | | a+a+(a-3)=(a+5)-(a+2) | | 4x-(3x+6)= | | 6x-x=-2+2x-1-6 | | 96+12x=84 | | 14=5y-4/6+2y+8/3 | | 2x(2x+5)+2x=14 | | 3/4x-1=-1/4x+5 | | v/9=6 | | 4(3+4x)-2=74 | | m/11=4 | | s/3=12 | | 2u+8-2u+9= | | 3/4x-1=-1/4+5 | | z^2=2.5z | | 5(8+w)=4w+3 | | 6281(6)d=36 | | 3(c+3)=2c-9 | | -2+2x(-8)= | | -6x-x=-2+2x-1-6 | | 7x+3=x(3x+1)-x+8 | | g(z)=-5z+3findg(-4) | | -x+1+6x=-2+2x+6 | | x^4-25y^2+144=0 | | 15*4-6-x=58 | | 6x+6+x=5+3x+13 | | -3x-8=4 |