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)
4/y-8 = 3 // - 3
4/y-8-3 = 0
4*y^-1 = 11 // : 4
y^-1 = 11/4
-1 < 0
1/(y^1) = 11/4 // * y^1
1 = 11/4*y^1 // : 11/4
4/11 = y^1
y = 4/11
y = 4/11
| 2.75=.10b | | -11(3/2)(.12)) | | 23x-6=5-3x | | 10k-4-8=8k | | 0.12+3000x=4200 | | Y=43+t-4.905t^2 | | Y^7=28 | | 2/7q=--4 | | 273=-x+87 | | 5/y-8=3 | | P-11=3 | | 6r+9-4r+-8=21 | | 14/10.4 | | 115+115+115+115+x+x=720 | | 11n+8=3n+56 | | X/4-10=6 | | 4y-10+6=180 | | X/-4-8=-32 | | (2x-36)+(x+6)=180 | | 1.6q-5.5q+1.3=-29.9 | | -3(v-1)=4v+45 | | -4w+32=-8(w-6) | | 18u^2-1=3u | | (11/7)3 | | -0.75x=-8 | | .1x=115 | | 4w(2w-1/2)-12^2 | | 81-u=162 | | 2(y-8)=5y-7 | | x+9=2x+0 | | 93/8-51/4 | | 4=5(y+2)-8y |