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)
0.5-(x/x) = 3.95*e-1 // - 3.95*e-1
0.5-(x/x)-(3.95*e)+1 = 0
0.5-3.95*e-1+1 = 0
0.5-3.95*e = 0
x belongs to the empty set
x belongs to the empty set
| -4(-5x+4)-5x=3(x-2)-8 | | 1.6=y/1.6 | | -2(5u-4)+4u=5+2(3u-6) | | 4+7+9x= | | -3(v+2)=-4(6v-1)+5v | | 16y^2-x^2+8x+192y+560=0 | | (r-5)(r+3)(r-5)(r+8)= | | x-3+2(3x+4)=-5(x+1) | | 2(y-9)-3=-3(-3y+6)-y | | 6(w-4)=2w+16 | | -5w+29=6(w+3) | | -5(x-6)=2x-26 | | An=(-1/3)^n | | 8x+8=-4(x-8) | | (6+1)(4+2X)=56 | | An=(1/3)^n | | -3(-9y+2)-8y=7(y-2)-2 | | 28-7x=14 | | 26-3x=7 | | 24x-8=3 | | 45x-2=9 | | 8x+15=40 | | -7(v-7)=9v+1 | | 3=2x-10 | | -3/4-(3/-8) | | x+1=50 | | -2y+4=16 | | 8x+16y+z=100 | | 6x/-4=6(-1/2) | | 49-y=161 | | -2x+13=5table | | (3x-7)(4x-9)=0 |