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 = 0
x = 0
x = 0
x in (-oo:0) U (0:+oo)
x/x+5 = 13/6+13 // - 13/6+13
x/x-(13/6)-13+5 = 0
x/x-13/6-13+5 = 0
-55/6 = 0
x belongs to the empty set
x belongs to the empty set
| 4x^2-x=0 | | 525+21x=585+13x | | 4.00x+20.00=20.00 | | 3x+3+2x+1+x+6=180 | | x^2+y^2-4y-32=0 | | 70r/35r^2+63r | | 60=4(10)+b | | 700/35r^2+63r | | 16/9/x^2/9 | | 5-10/x=7 | | 8/15x=8+2/15x-3/15x | | x+7y=7.70 | | 6-3(3x+1)=-28 | | 6/x-4+6/x-3 | | 12s^8t^9-16s^6^7+16s^3t^4/4s^3t | | n-2/3n-5+3/4n | | 5.25a+3.75s=501.75 | | x^3+5x^2+x+5=0 | | 5-4p-p^2/5p-5 | | -6-13t=-6t-15 | | -8x^2-119x+312=0 | | 5(3z-1)3(z+2)=4(2+1) | | 5a/2a+3-2a/a+2 | | (2x-3)=8 | | 100=-5x+(-7) | | y=-5x+(-7) | | (p+19)+(4p-32)+p=791 | | 32-8n=2n+12 | | -324x^2+256=0 | | 4+x-3x^3=1.95 | | m=-47-(-17)/8-2 | | 1/k=5 |