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)
5/9 = 8/w // - 8/w
5/9-(8/w) = 0
5/9-8*w^-1 = 0
-8*w^-1 = -5/9 // : -8
w^-1 = 5/72
-1 < 0
1/(w^1) = 5/72 // * w^1
1 = 5/72*w^1 // : 5/72
72/5 = w^1
w = 72/5
w = 72/5
| -8x-7+4x=-9X+5 | | 7(x+3)-8=16-4x-3+11x | | -6x-1=9 | | 10x=.10+.35m | | 5n+5=-26 | | a+1=10-2a | | -6+5(x-4)=13x+6-8x | | 2b+2=48 | | (-3)(-2)= | | 5x-9x=7 | | 16d-4-5d=-67 | | 5(x-5)-2(12-x)= | | (2/3)*k+(1/4)*k=22 | | -6+p/6=-9 | | 3x-7+6x=2x-1 | | -5k-5.5-2.9k+1.2k+5= | | 5y+3=3(y-3)-2(y+2) | | 0.5z-0.03+0.3z=4.77 | | -[7x-(3x+9)]=-4-[4(2x-4)-2x] | | -4k+4k=6k+3k | | 4(y-0.8)=3.8y-5.8 | | 7w-11=24 | | 2-(3x+4)=7+3(x+3) | | -[7x-(3x+9)]=-4-[(2x-4)-2x] | | 10x-1.86x^2=0 | | 2a+4=30 | | 2x-3x+x-8+4x= | | -(k+2)+12k=11k-62 | | -[9x-(2x+6)]=-3-[(3x-4)-3x] | | 0.61x^2-0.045x+3=1997 | | (40+15).25m=45+.35m | | 9=-3+n+2 |