If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
1-(10*i) = 0
1-(10*i) = 0
1-(10*i) = 0
1-10*i = 0
1-10*i = 0 // - 1
-10*i = -1 // : -10
i = -1/(-10)
i = 1/10
i in (-oo:1/10) U (1/10:+oo)
(6*i)/(1-(10*i)) = 0
(6*i)/(1-10*i) = 0
6*i = 0 // : 6
i = 0
i = 0
| 15=0./ | | 0=16x^2-72x-144 | | X+x+(3x+45)=180 | | 2n-9=(r+6) | | 81+x=107+0.5x | | 35x+63= | | Sin^2cos=cos | | 90t+5=540t+14 | | 6x-5x^2+4x+6x^2= | | 4v(v-2)=7-2(3v-4) | | 86= | | 2/3k=3/4 | | N*1/4=7/8 | | 5(.8)+2=6 | | 86-x=90 | | 2(2X-6)+10=24 | | c=8x+x^2 | | -b/-7=4 | | x-86=90 | | 179x+318=1439 | | A^2x+3ax+2x-a^2y-3ay-2y=0 | | 3x+(-4)=2x | | log(x)-log(x+6)=-1 | | 15+0.79x=1.29x | | 32y+12x=420 | | 2a-9=-6a+15 | | 20xt=300 | | -1a=-44 | | PR(x)=10[.15+.85logx] | | 9(2-3X)-29=8X-50(X-23) | | Y+5=6y | | 45+0.75x=35+0.85x |