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+19 = 0
x+19 = 0
x+19 = 0
x+19 = 0 // - 19
x = -19
x in (-oo:-19) U (-19:+oo)
(x+15)/(x+19) = 0
x+15 = 0 // - 15
x = -15
x = -15
| 5=7x-7-2 | | 24u^6-36u^5/4u^2 | | 3p^2+11p+6=0 | | 3ln(x)=9 | | 6(3x-5)= | | c(x)=4.2(200)+10300 | | 2y-(y+2)(y-3)=12 | | 7(w-2)=21 | | 60(x+24)=75x | | c(x)=4.2x+10300 | | -2n-n=18 | | y=0.2b+0.6x | | 0.04x+2,160-x=2000 | | 12=.2x-11 | | -32=-8v | | 2x+4y=8x-32y | | 17=-3+x | | 16-5(2)= | | N+8=28 | | 8+(b/-4)=-5 | | -5x^2-35x+60=0 | | 20x^3-14x= | | 16-5(2)=-8+14 | | 14-9x=88-44x | | 11-r=20 | | (4x-8)/(x+5)+1 | | -12=n-6 | | (5/x-2)+(5/2-x) | | 2a-5(-3a)=10 | | 17/10+33/4+21/20+3 | | x=0.8+0.4y | | 3x^2+4=49 |