If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( d )
d = 0
d = 0
d = 0
d in (-oo:0) U (0:+oo)
2/d = 2.5/35 // - 2.5/35
2/d-(2.5/35) = 0
2/d-0.07142857 = 0
2*d^-1 = 0.07142857 // : 2
d^-1 = 0.03571429
-1 < 0
1/(d^1) = 0.03571429 // * d^1
1 = 0.03571429*d^1 // : 0.03571429
27.99999664 = d^1
d = 27.99999664
d = 27.99999664
| 5/15+11d/12-3=3d+7-4d | | (B+3)+(B)+(2B-1)=26 | | 4x-7+6x=53-10 | | 11d/12-d | | -496=8(8x-6) | | 18*4.35*3.14= | | 6x^2+7=5x | | (B+3)+(B)+(B-1)=26 | | -.4(5+-2x)+3x=5.6 | | x/2+1+3/4x=-9 | | -.4(5+-2x)+3x=16 | | Y=-5/4x-15/8 | | 3/5x-2/3=11/15 | | 17*9.2*3.14= | | 12x+90+45=180 | | 6/5+4/5x=21/10+3/2x+1/2 | | 19s+3(3s-12)=x | | -4+6(6a+5)=314 | | 20740.25736*3.14= | | 3v^2-4v-7=0 | | 3y-(5y+9)=13-2y | | 2b-25+56=7-32 | | 4w-15=157 | | 9x+90+45=180 | | 581.7744*35.65= | | -2y-11=6y+29 | | 3(4+x)=144 | | 6b+70+4b=190 | | 5/8m-6/8+3/8m=2/8 | | 6(1-7n)-8=124 | | -4.1=.25y+6.9 | | 6b+70+4b=19 |