If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( i )
-(7*i)-6 = 0
-(7*i)-6 = 0
-(7*i)-6 = 0
-7*i-6 = 0
-7*i-6 = 0 // + 6
-7*i = 6 // : -7
i = 6/(-7)
i = -6/7
i in (-oo:-6/7) U (-6/7:+oo)
8/(-(7*i)-6) = 0
8/(-7*i-6) = 0
i belongs to the empty set
| 5x+8y=6x | | x+0.8=20.3 | | 0=4z-8 | | 2/5(2x+9)=2(3-3x)+18 | | 24x-36= | | 8x+453-5x=528+6x-258 | | 7(x+5)-4=45 | | 4x+26=7x+5 | | -12+6n=3n+3(-4+2n) | | 6(4p+2)=3(8p+4) | | 8/r-5/s | | x/7+1/2=6x | | 0.4y+6=-1 | | 15m-12-12m=24 | | M^2+10M-21=2 | | 5x-4+2x+3=13 | | -21+6n=3n+3(-4+2n) | | 100-25x= | | 6-3(x-3)=60 | | 8+4m=-7 | | 3x+5=10+2x | | 3+9/4=9/4-x | | 10x^2-54x+81=0 | | 3+9/4=9/x-4 | | 9x-406+5x=4x+387-213 | | 3+9/4=9/(x-4) | | 2n+n+8=11 | | 6(x+6)-(8x+4)=1+2x-1 | | 0.20y-0.6=0.20y+1-0.7y | | 147-2x=25x+15 | | 1311=243x+96 | | 18x+27= |