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)
8/y = 12/3 // - 12/3
8/y-(12/3) = 0
8/y-4 = 0
8*y^-1 = 4 // : 8
y^-1 = 1/2
-1 < 0
1/(y^1) = 1/2 // * y^1
1 = 1/2*y^1 // : 1/2
2 = y^1
y = 2
y = 2
| 2(-5j+2)-(3j+8)-2j+10= | | 20=4v-8 | | -6x+8y=24 | | Y/8=12/3 | | 3/8=5/6+x | | a/5=45 | | t^2-8t-12=0 | | -7=-6k-6 | | 8=c/-3+15 | | x^4-7x^3+x^2-7x=0 | | f(-3)=18 | | 32x^3-40x^2+32x=0 | | 7+5w=17 | | -1+3v=-37 | | 2(8)-3(5)= | | f(-3)=9 | | 8x+2+60=70 | | 7x-(3+4x)=19 | | 7u-5u^2+35-u^3=0 | | -1/6x=-16 | | n/11=16 | | 14.2=2d+5.1 | | -14=-2+x/4 | | y^2+4y+8=0 | | 25t^3-81t=0 | | -5(1-2z)+4(3-z)=7(3+2) | | (15-7*0.4)/y=3.05 | | 9[8-(-3x-8)]=54x+216 | | n/11=6 | | 18=-3/4x | | 2n^2+36=0 | | -1/2x+8=6x-12-13/2x |