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-(2*i) = 0
1-(2*i) = 0
1-(2*i) = 0
1-2*i = 0
1-2*i = 0 // - 1
-2*i = -1 // : -2
i = -1/(-2)
i = 1/2
i in (-oo:1/2) U (1/2:+oo)
(6-(7*i))/(1-(2*i)) = 0
(6-7*i)/(1-2*i) = 0
6-7*i = 0 // - 6
-7*i = -6 // : -7
i = -6/(-7)
i = 6/7
i = 6/7
| -4(8v-6)-2=4(-11-8v)+3v | | (6-7i)/(1-12i)=0 | | 9g+6=2g-4 | | 2(x-3)-y=7 | | x^2-84x=0 | | 4(6k+5)=4(8k-1) | | (7-2i)(3-5i)=0 | | -10(-10k-9)=6(1+12k) | | u^2+36u+35=0 | | -6x+2y=76 | | 5x+3y-90=0 | | -(-x-8)=8+2x | | 76=-13t+5t^2 | | 5x+3y=90 | | 2x^2-125=0 | | h=5+25t-16t^2 | | -5v-(7+8v)=13-3v | | 0.5x+4=-2x+9 | | (x^3)-125x=0 | | x(3x+5)= | | -42=-7/4y | | 7x+8x=16+6+5x-x | | log(4)X+log(4)(5x+1)=1 | | (3x-3)+(4x-4)+x=0 | | 0.3p+4.2-11=1.5p+4 | | -15+3n+5-4n=4n-3n | | 8=8t-4(t+8) | | 2n-12=6n-7n | | 8n-8n+3=n+5+5 | | 7+8i(3+6i)= | | 0.5y+0.1(y+9)=3 | | =8ln(x) |