If it's not what You are looking for type in the equation solver your own equation and let us solve it.
D( x )
x+5 = 0
x+2 = 0
x+5 = 0
x+5 = 0
x+5 = 0 // - 5
x = -5
x+2 = 0
x+2 = 0
x+2 = 0 // - 2
x = -2
x in (-oo:-5) U (-5:-2) U (-2:+oo)
2/(x+2)+1/5 = 6/(x+5) // - 6/(x+5)
2/(x+2)-(6/(x+5))+1/5 = 0
2/(x+2)-6*(x+5)^-1+1/5 = 0
2/(x+2)-6/(x+5)+1/5 = 0
(2*5*(x+5))/(5*(x+2)*(x+5))+(-6*5*(x+2))/(5*(x+2)*(x+5))+(1*(x+2)*(x+5))/(5*(x+2)*(x+5)) = 0
2*5*(x+5)-6*5*(x+2)+1*(x+2)*(x+5) = 0
x^2-20*x+7*x-10+10 = 0
x^2-13*x = 0
x^2-13*x = 0
x*(x-13) = 0
x-13 = 0 // + 13
x = 13
x*(x-13) = 0
(x*(x-13))/(5*(x+2)*(x+5)) = 0
(x*(x-13))/(5*(x+2)*(x+5)) = 0 // * 5*(x+2)*(x+5)
x*(x-13) = 0
( x-13 )
x-13 = 0 // + 13
x = 13
( x )
x = 0
x in { 13, 0 }
| 2P+1/2q | | 3x+2(x-4)=5x+12 | | 4*5+7*-3+3*5-2*-3= | | 4*5+7*-3+3*-2-2*-3= | | 1/4(5t-9)=(t+9)/8 | | 4*4+7*-3+3*-2-2*-3= | | x^2/x+3=9/x+3 | | 9x-4=-4c+78 | | 1/9(9y) | | -4(-4x+1)+4x=-2x-70 | | 10+36/z=14 | | 7/8-1/x=1/(x+4) | | 3-3=2 | | x=3my-7b | | 1/4(5t-9)=t+9/8 | | 7+40a=7-13a | | 5.3y+0.57=3.02y-2.28 | | 6(x-9)-6x-54= | | 10=(x-5)/7+2 | | 2r+12=3+4x-7 | | x^3+12x-106=x^3-6x-16 | | -9(-1-x)=3(4x+1) | | (3u-5)(1-U)=0 | | -7(x+1)=5(5x-2) | | z-13=1 | | (c+1)/-3+5=16 | | 20-(2x6)+8/4 | | x-y+3z=8 | | 12x+15y=4140 | | 108t^4+256w^3t= | | a+25+6a=23 | | -y-13+6y=42 |