If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( y )
y = 0
y = 0
y = 0
y in (-oo:0) U (0:+oo)
0.5/y = 1.5/9 // - 1.5/9
0.5/y-(1.5/9) = 0
0.5/y-0.16666667 = 0
0.5*y^-1 = 0.16666667 // : 0.5
y^-1 = 0.33333334
-1 < 0
1/(y^1) = 0.33333334 // * y^1
1 = 0.33333334*y^1 // : 0.33333334
2.99999994 = y^1
y = 2.99999994
y = 2.99999994
| D=5/4(m-99) | | 26-8x-3x+4=-7x+5+3x-3 | | 4w-8w=-20 | | 7(7+5m)+m(m+6)4= | | 2x^4-9x^3=23 | | 4(3-0)+0=22+20 | | 8t+4t=600 | | (2x^4)-(9x^3)=23 | | 81x^2+121y^2=0 | | x+y=2o | | 11x-33=-2-9 | | j=2.5+3h | | 43=8y-1 | | bx-7b-x=a | | -3(2p+8)-16=-2(p+9)+6 | | 6a-12=81 | | X-8+x=1-4x | | 2x+5(x-3)=x-(-2x+3) | | (a/2+4i)+(b/-1+3i)=2 | | 6-622/u^2+5u-6 | | w^2-w-2=0 | | (-8+-1)(5+-4)= | | 9x-9=10x | | 90+6x=9x+15 | | (2/3)^5*(9/10)^5=(a/b)^5 | | 1=-9x | | 2(x^2-6)=-5x | | 2x^2+6x+5=12 | | 2t-16t=600 | | -1.5x=-1 | | 1/3(4x-1)=9 | | .06+.06x=2.4+.04x |