If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
-(10*i)-1 = 0
-(10*i)-1 = 0
-(10*i)-1 = 0
-10*i-1 = 0
-10*i-1 = 0 // + 1
-10*i = 1 // : -10
i = 1/(-10)
i = -1/10
i in (-oo:-1/10) U (-1/10:+oo)
(10-(9*i))/(-(10*i)-1) = 0
(10-9*i)/(-10*i-1) = 0
10-9*i = 0 // - 10
-9*i = -10 // : -9
i = -10/(-9)
i = 10/9
i = 10/9
| 6x+2=3(2x+4) | | 716=4(x+18) | | 5x+5(7x-44)=20 | | 19-5+v=3 | | 6x-5x=2x+7 | | d2=9/16 | | 64=2x+4(-2x-2) | | 0.796= | | (5y-3)+(y+15)=180 | | xy+3y-2y=0 | | 5x+2=5(14)+2 | | 4(6x+6)=24x-10 | | 34=m+18 | | 22x+10y=7 | | n^2-13+40= | | (4x+2)=(4x+2) | | -4(3n-2)-1n=-11(1n-1) | | 6+.80x=.90x | | 21y=9 | | 27=18+9 | | 3/4-81/28/3=2*81/28-6 | | 0.5k^2+5k+12.5=0 | | (2y+6)+(y-12)=180 | | -3(5+e)=7 | | 8+15=25 | | 3(2x+4)-5=13 | | 2y+6=y-12-180 | | 30w=12000 | | 9t-12t+4= | | (x-1)-(x+1)ln(x+1)=0 | | o=b+8 | | 6x=4(1x-5) |