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 = -6/y // + -6/y
-(-6/y)-4 = 0
6*y^-1-4 = 0
6*y^-1 = 4 // : 6
y^-1 = 2/3
-1 < 0
1/(y^1) = 2/3 // * y^1
1 = 2/3*y^1 // : 2/3
3/2 = y^1
y = 3/2
y = 3/2
| 3(2x+1)=x+7 | | (24x-6)+(15x+12)=-4 | | (2/3)*x=27/8 | | 9x-36=3x+12 | | 5a+7b+2b-3a= | | 2/3^=27/8 | | 4n+7n-5=4n-3n+10 | | 2(v-5)-5v=-22 | | 20y+16+45=80+y | | limx-114x^2-20x+6=8 | | 0.60(z-300)+0.50z=0.70z-205 | | 8w+12-6w=4(w+3)-2 | | 5n^2-10n=15 | | x-x(0.01)=36713 | | 8=-8x+4(x-7) | | x+20=4x-28 | | Y+35=72 | | 32+t+19=7t+16-7 | | 20w+10=24 | | 2.0+6.0+2(x-3.0)=2.0x-87.0+6.0x | | u+48=4u | | -16t-8=-56 | | .4-.31x=.66 | | 2z+4=5z-17 | | y+35=8y | | -10s-50=-99 | | n^2+10n-32=9 | | 2x-3+8=7(x-1-2x) | | 8x+17=48 | | 8x-17=48 | | 2x-3+8=7(x-7)-2x | | 28s+56=336 |