If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
5-i = 0
5-i = 0
5-i = 0
5-i = 0 // - 5
-i = -5 // * -1
i = 5
i in (-oo:5) U (5:+oo)
(4-(5*i))/(5-i) = 0
(4-5*i)/(5-i) = 0
4-5*i = 0 // - 4
-5*i = -4 // : -5
i = -4/(-5)
i = 4/5
i = 4/5
| 35=5x+7 | | 246-41m= | | 30=7x | | D(d-2)+5(d-2)= | | 4x+2(x-1)=5x-19+2x | | -54=7x-12 | | (4x^2+36)-36= | | 111=y-9 | | -5=-2x+5 | | 8(4-2a)+7(4a-7)= | | X=-8-9 | | n=400.00-190-7 | | 8x-4(x-2)=-3+6x+7 | | X+-7=-9 | | (51-40)1.5m=252.36 | | 3x^2-2x-77=0 | | x^3-5X-5=0 | | 4+y=-9 | | 1+y=-9 | | 4/x=22 | | 4y-8+y+16=6+8y+14-6y | | 190+n/7=400.00 | | 25rs^2-10rs+r= | | 2w(w-2)=54 | | 10/4=5/y | | -4x+y=1 | | 3d^2+9d+6=0 | | (7x-8)(7x+9)= | | t^(2/3)+t^(1/3)-16 | | 2(x+1)+4x=x+8 | | 7=.07 | | y-5=-1/2x |