If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( s )
s+18 = 0
s-14 = 0
s+18 = 0
s+18 = 0
s+18 = 0 // - 18
s = -18
s-14 = 0
s-14 = 0
s-14 = 0 // + 14
s = 14
s in (-oo:-18) U (-18:14) U (14:+oo)
7/(s-14) = 21/(s+18) // - 21/(s+18)
7/(s-14)-(21/(s+18)) = 0
7/(s-14)-21*(s+18)^-1 = 0
7/(s-14)-21/(s+18) = 0
(7*(s+18))/((s-14)*(s+18))+(-21*(s-14))/((s-14)*(s+18)) = 0
7*(s+18)-21*(s-14) = 0
420-14*s = 0
(420-14*s)/((s-14)*(s+18)) = 0
(420-14*s)/((s-14)*(s+18)) = 0 // * (s-14)*(s+18)
420-14*s = 0
420-14*s = 0 // - 420
-14*s = -420 // : -14
s = -420/(-14)
s = 30
s = 30
| -3=2/3(2)+b | | 10x+8=12x | | 182/3x41/6x3/5 | | 400/6.40 | | -6+13=x-14 | | X/2-13=x/2 | | 26=6(5-2) | | (5x^7/4y^6)^5 | | 18/2/3x4/1/6x3/5 | | 0.45(x+60)+0.11(x+80)=-42.6 | | -4x-3x=6x-5 | | 5(2x+3)=4 | | 6g-2g+g-7=23 | | (5x^7/4y^6)^5(4^2*y^8*x^4/5^4) | | 11m+13=m+25 | | 0=14-2y | | 8/12=r/(r+1) | | x^2=11x-8 | | 2x+4(5/2)=3 | | 2x+4x=150-4x | | -10-6x=-7(-2x+8x)+6 | | 6/(t+4)=42/77 | | 4s-7=13+9s | | (H^6/9)^2 | | (2(x^2-6))=(13x+12) | | 5t-24=-10+7t | | -2+4y=3 | | 72=3x^2-24x+117 | | x+7=7-5x | | 5/3+2/3x=25/12+5/4x+3/4x | | 2(2x-6)-x=5 | | x-(0.20)=72.00 |