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)
8/4 = 16/x // - 16/x
8/4-(16/x) = 0
8/4-16*x^-1 = 0
-16*x^-1 = -2 // : -16
x^-1 = 1/8
-1 < 0
1/(x^1) = 1/8 // * x^1
1 = 1/8*x^1 // : 1/8
8 = x^1
x = 8
x = 8
| 100x+5y+z-2000=0 | | In(2v+3)=In(-3v+6) | | 3x^2+8x-51=0 | | (2v+3)=(-3v+6) | | (5-v)(4v+1)=0 | | 2b^2+6b-108=0 | | (4/(x-4))=41 | | logx-4logx=0 | | 4u-5=13 | | 11p^2-10p+6=0 | | 3(3r-8)-2(r-4)= | | log(x)=0.44 | | 2b+4(p-3.5)=32.5 | | 2x-24-3x=5x | | 130f-3f=122f+2f | | 2p+8=2 | | 3y+40+300=0 | | 150x+1500=0 | | 4-9/x | | 3x+7x+42=400 | | .142857(12+x)=4 | | 12u^3+36u^2+27u=0 | | 71=68*x-(14+68+1.25) | | 2u^2v-18uv+28v=0 | | Log(3x+12)=1 | | 3x+7x=400 | | -10(s+5)=34 | | tan(4x)=1 | | 2x+4(x-5)=x | | 5k*1k=5 | | 10x^3-25x^2-35x=0 | | y=(5/8)x-1 |