If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
4*i-8 = 0
4*i-8 = 0
4*i-8 = 0
4*i-8 = 0 // + 8
4*i = 8 // : 4
i = 8/4
i = 2
i in (-oo:2) U (2:+oo)
(6-(3*i))/(4*i-8) = 0
(6-3*i)/(4*i-8) = 0
6-3*i = 0 // - 6
-3*i = -6 // : -3
i = -6/(-3)
i = 2
i in { 2}
i belongs to the empty set
| 4p/3=8 | | x/3=1.5/0.5 | | (x-8)/4=5 | | y=a*x+b | | 3(3x-2)+4=2(x-1)+2 | | 6f+230=500 | | 8d+5=5d+14 | | 6x+10y=7 | | (3/5)3 | | 4(x+4)(3x-6)=0 | | 0.8x-7.7=5.7 | | 1/3(x+100)=500 | | 1/x^4=256 | | 9=p/3 | | 1/8(x+230)=200 | | 9x^2+3=65 | | -5=9+3/4 | | 10+2(x-3)+2x=2(2x+1)+2x | | 5x+-1=-1 | | 10(x+2)/5=12 | | 3x+4b=2 | | 1/5(x-200)=575 | | 4x/3-2=2x | | 1/5(x-200)=160 | | 90-(3x+4)=2x+6 | | x^3-3*x-7=0 | | x^3-x^2+25x-150=0 | | 4x^2-7x=4 | | 950x+1000x=7800 | | 2x+3=7x-15 | | 30x^7-24x^3/-6x^7 | | 5-2(2x+1)=5-2(x+2)+4 |