If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( w )
w = 0
w = 0
w = 0
w in (-oo:0) U (0:+oo)
-5/w-4 = -2 // + 2
2-5/w-4 = 0
-5*w^-1 = 2 // : -5
w^-1 = -2/5
-1 < 0
1/(w^1) = -2/5 // * w^1
1 = -2/5*w^1 // : -2/5
-5/2 = w^1
w = -5/2
w = -5/2
| -7s=-8s+8 | | 4x+7=26/3 | | p/7=8/28 | | (4y)-(3x)=32 | | 1/2*h+1/3*(h-6)=5/6h+2 | | 2/4m+4=5/6m+3 | | -4/x+13=21 | | 3v^2=13v+10 | | -22/7v=-22/9 | | 3x/7-2+15 | | h=at-0.25vt^2fora | | 5/24*16 | | h=at-0 | | x/15=-5+18 | | 5/56*28/51 | | -9x+1=-8x+5 | | 12x-(5x-4)=-10 | | 16=8w-8/3 | | 83-4x=10-8x | | -8v=8-10v | | n/2+10=5 | | 10/25*21/35 | | 9h-6=10h | | d[300-48t]=60 | | 2.5x-1=31 | | x+x+x+2+x+2=x+x+6+x+4 | | -10x-3x= | | 3y=8-12x | | 6x+4y=34 | | m+2=m+5 | | 3.4=13.6+(-3.4c)+1.7 | | 1/3(-24m+30) |